Known Exploited Vulnerability
7.5
HIGH
CVE-2019-9621
Synacor Zimbra Collaboration Suite (ZCS) Server-Si - [Actively Exploited]
Description

Zimbra Collaboration Suite before 8.6 patch 13, 8.7.x before 8.7.11 patch 10, and 8.8.x before 8.8.10 patch 7 or 8.8.x before 8.8.11 patch 3 allows SSRF via the ProxyServlet component.

INFO

Published Date :

April 30, 2019, 6:29 p.m.

Last Modified :

July 9, 2025, 3:22 p.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
CISA Notification
CISA KEV (Known Exploited Vulnerabilities)

For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.

Description :

Synacor Zimbra Collaboration Suite (ZCS) contains a server-side request forgery (SSRF) vulnerability via the ProxyServlet component.

Required Action :

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Notes :

https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories ; https://wiki.zimbra.com/wiki/Security_Center ; https://nvd.nist.gov/vuln/detail/CVE-2019-9621

Public PoC/Exploit Available at Github

CVE-2019-9621 has a 11 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2019-9621 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Synacor zimbra_collaboration_suite
1 Zimbra collaboration_server
: Total Affected Vendor : 2 | Products : 2
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2019-9621.

URL Resource
http://packetstormsecurity.com/files/152487/Zimbra-Collaboration-Autodiscover-Servlet-XXE-ProxyServlet-SSRF.html Exploit Third Party Advisory VDB Entry
http://packetstormsecurity.com/files/153190/Zimbra-XML-Injection-Server-Side-Request-Forgery.html Exploit Third Party Advisory VDB Entry
http://www.rapid7.com/db/modules/exploit/linux/http/zimbra_xxe_rce Exploit Third Party Advisory
https://blog.tint0.com/2019/03/a-saga-of-code-executions-on-zimbra.html Third Party Advisory
https://blog.zimbra.com/2019/03/9826/ Vendor Advisory
https://bugzilla.zimbra.com/show_bug.cgi?id=109127 Issue Tracking
https://wiki.zimbra.com/wiki/Security_Center Release Notes Vendor Advisory
https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories Vendor Advisory
https://www.exploit-db.com/exploits/46693/ Exploit Third Party Advisory VDB Entry
http://packetstormsecurity.com/files/152487/Zimbra-Collaboration-Autodiscover-Servlet-XXE-ProxyServlet-SSRF.html Exploit Third Party Advisory VDB Entry
http://packetstormsecurity.com/files/153190/Zimbra-XML-Injection-Server-Side-Request-Forgery.html Exploit Third Party Advisory VDB Entry
http://www.rapid7.com/db/modules/exploit/linux/http/zimbra_xxe_rce Exploit Third Party Advisory
https://blog.tint0.com/2019/03/a-saga-of-code-executions-on-zimbra.html Third Party Advisory
https://blog.zimbra.com/2019/03/9826/ Vendor Advisory
https://bugzilla.zimbra.com/show_bug.cgi?id=109127 Issue Tracking
https://wiki.zimbra.com/wiki/Security_Center Release Notes Vendor Advisory
https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories Vendor Advisory
https://www.exploit-db.com/exploits/46693/ Exploit Third Party Advisory VDB Entry

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Profile Photo
SanthoshBOL/Security-Awareness-Reminders

An automated system that fetches real-world exploited vulnerabilities daily from trusted sources like CISA, enriches them with relevant details (attack, impact, remediation), and delivers them via email. Powered by GitHub Actions, this project helps individuals and teams stay up to date with the latest threats — one daily tip at a time.

Python

Updated: 1 week, 2 days ago
0 stars 0 fork 0 watcher
Born at : July 8, 2025, 7:20 a.m. This repo has been linked 2 different CVEs too.
Profile Photo
ums91/CISA_BOT

CISA Bot is a GitHub bot that automatically monitors the Cybersecurity and Infrastructure Security Agency (CISA) Known Exploited Vulnerabilities (KEV) Catalog. When new vulnerabilities are published in the KEV, the bot creates GitHub issues in this repository with detailed information about each vulnerability.

Python

Updated: 2 days, 19 hours ago
2 stars 0 fork 0 watcher
Born at : Oct. 29, 2024, 10:19 a.m. This repo has been linked 180 different CVEs too.
Profile Photo
anquanscan/sec-tools

None

Updated: 4 days, 3 hours ago
49 stars 10 fork 10 watcher
Born at : July 28, 2022, 3:22 a.m. This repo has been linked 149 different CVEs too.
Profile Photo
SexyBeast233/SecBooks

安全类各家文库大乱斗

HTML CSS JavaScript Go Python Shell C

Updated: 3 days, 22 hours ago
1186 stars 285 fork 285 watcher
Born at : Feb. 15, 2022, 3:14 a.m. This repo has been linked 568 different CVEs too.
Profile Photo
nth347/Zimbra-RCE-exploit

RCE exploit for attack chain in "A Saga of Code Executions on Zimbra" post

exploit zimbra security

Python Java

Updated: 9 months, 2 weeks ago
34 stars 5 fork 5 watcher
Born at : Sept. 25, 2021, 4:44 p.m. This repo has been linked 2 different CVEs too.
Profile Photo
developer3000S/PoC-in-GitHub

None

Updated: 3 weeks, 1 day ago
37 stars 4 fork 4 watcher
Born at : March 12, 2021, 12:22 p.m. This repo has been linked 1063 different CVEs too.
Profile Photo
hectorgie/PoC-in-GitHub

None

Updated: 3 months, 2 weeks ago
18 stars 10 fork 10 watcher
Born at : Jan. 2, 2021, 10:19 p.m. This repo has been linked 1053 different CVEs too.
Profile Photo
0xT11/CVE-POC

None

Updated: 3 weeks, 1 day ago
84 stars 31 fork 31 watcher
Born at : Oct. 2, 2020, 2:49 p.m. This repo has been linked 1114 different CVEs too.
Profile Photo
k8gege/PowerLadon

Ladon hacking Scanner for PowerShell, vulnerability / exploit / detection / MS17010/SmbGhost,Brute-Force SMB/IPC/WMI/NBT/SSH/FTP/MSSQL/MYSQL/ORACLE/VNC

ladon netscan portscan vulscan hacking security pentest pentest-tool pentesting-networks subdomain-scanner exp exploit poc lanscanner

PowerShell

Updated: 1 day, 3 hours ago
182 stars 58 fork 58 watcher
Born at : Nov. 19, 2019, 4:28 p.m. This repo has been linked 13 different CVEs too.
Profile Photo
k8gege/ZimbraExploit

Zimbra邮件系统漏洞 XXE/RCE/SSRF/Upload GetShell Exploit 1. (CVE-2019-9621 Zimbra<8.8.11 XXE GetShell Exploit)

zimbra xxe rce ssrf upload getshell exploit cve-2019-9621 poc 0day k8cscan

Python Ruby

Updated: 4 months ago
74 stars 41 fork 41 watcher
Born at : May 6, 2019, 3:47 p.m. This repo has been linked 1 different CVEs too.
Profile Photo
3gstudent/Homework-of-Python

Python codes of my blog.

Python

Updated: 1 day, 11 hours ago
387 stars 118 fork 118 watcher
Born at : Sept. 26, 2018, 7:05 a.m. This repo has been linked 7 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2019-9621 vulnerability anywhere in the article.

  • Cyber Security News
CISA Warns of Zimbra Collaboration Suite (ZCS) Vulnerability Exploited in Attacks

CISA has issued an urgent warning regarding a critical vulnerability in Synacor’s Zimbra Collaboration Suite (ZCS) that is being actively exploited in cyberattacks. The vulnerability, tracked as CVE-2 ... Read more

Published Date: Jul 08, 2025 (1 week, 2 days ago)
CVE-2019-9621 CVE-2016-10033
  • The Hacker News
CISA Adds Four Critical Vulnerabilities to KEV Catalog Due to Active Exploitation

Cyber Attacks / Vulnerability The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Monday added four security flaws to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence ... Read more

Published Date: Jul 08, 2025 (1 week, 2 days ago)
CVE-2025-6543 CVE-2025-5777 CVE-2019-9621 CVE-2019-5418 CVE-2014-3931 CVE-2016-10033
  • The Hacker News
CISA Adds Four Critical Vulnerabilities to KEV Catalog Due to Active Exploitation

Jul 08, 2025Ravie LakshmananCyber Attacks / Vulnerability The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Monday added four security flaws to its Known Exploited Vulnerabilities ... Read more

Published Date: Jul 08, 2025 (1 week, 2 days ago)
CVE-2025-3648 CVE-2025-6554 CVE-2025-6543 CVE-2025-5777 CVE-2019-9621 CVE-2019-5418 CVE-2014-3931 CVE-2016-10033
  • TheCyberThrone
CISA Adds Zimbra Vulnerability CVE-2019-9621 to KEV Catalog

🔍 OverviewCVE ID: CVE-2019-9621Platform Affected: Zimbra Collaboration Suite (ZCS)Vulnerability Type: Server-Side Request Forgery (SSRF)CVSS Score: 9.8 (Critical)Exploit Status: Actively Exploited in ... Read more

Published Date: Jul 08, 2025 (1 week, 2 days ago)
CVE-2019-9621

The following table lists the changes that have been made to the CVE-2019-9621 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Modified Analysis by [email protected]

    Jul. 09, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    Removed CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    Added CPE Configuration OR *cpe:2.3:a:synacor:zimbra_collaboration_suite:8.7.11:-:*:*:*:*:*:* *cpe:2.3:a:synacor:zimbra_collaboration_suite:*:*:*:*:*:*:*:* versions from (including) 8.7.0 up to (excluding) 8.7.11 *cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.11:-:*:*:*:*:*:* *cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.10:-:*:*:*:*:*:* *cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.9:-:*:*:*:*:*:* *cpe:2.3:a:synacor:zimbra_collaboration_suite:*:*:*:*:*:*:*:* versions from (including) 8.8.0 up to (excluding) 8.8.9 *cpe:2.3:a:synacor:zimbra_collaboration_suite:8.6.0:-:*:*:*:*:*:* *cpe:2.3:a:synacor:zimbra_collaboration_suite:8.6.0:patch1:*:*:*:*:*:* *cpe:2.3:a:synacor:zimbra_collaboration_suite:8.6.0:patch2:*:*:*:*:*:* *cpe:2.3:a:synacor:zimbra_collaboration_suite:8.6.0:patch3:*:*:*:*:*:* *cpe:2.3:a:synacor:zimbra_collaboration_suite:8.6.0:patch4:*:*:*:*:*:* *cpe:2.3:a:synacor:zimbra_collaboration_suite:8.6.0:patch5:*:*:*:*:*:* *cpe:2.3:a:synacor:zimbra_collaboration_suite:8.6.0:patch6:*:*:*:*:*:* *cpe:2.3:a:synacor:zimbra_collaboration_suite:8.6.0:patch7:*:*:*:*:*:* *cpe:2.3:a:synacor:zimbra_collaboration_suite:8.6.0:patch8:*:*:*:*:*:* *cpe:2.3:a:synacor:zimbra_collaboration_suite:8.6.0:patch9:*:*:*:*:*:* *cpe:2.3:a:synacor:zimbra_collaboration_suite:8.7.11:patch1:*:*:*:*:*:* *cpe:2.3:a:synacor:zimbra_collaboration_suite:8.7.11:patch2:*:*:*:*:*:* *cpe:2.3:a:synacor:zimbra_collaboration_suite:*:*:*:*:*:*:*:* versions up to (excluding) 8.6.0 *cpe:2.3:a:synacor:zimbra_collaboration_suite:8.6.0:patch10:*:*:*:*:*:* *cpe:2.3:a:synacor:zimbra_collaboration_suite:8.6.0:patch11:*:*:*:*:*:* *cpe:2.3:a:synacor:zimbra_collaboration_suite:8.6.0:patch12:*:*:*:*:*:* *cpe:2.3:a:synacor:zimbra_collaboration_suite:8.7.11:patch3:*:*:*:*:*:* *cpe:2.3:a:synacor:zimbra_collaboration_suite:8.7.11:patch4:*:*:*:*:*:* *cpe:2.3:a:synacor:zimbra_collaboration_suite:8.7.11:patch5:*:*:*:*:*:* *cpe:2.3:a:synacor:zimbra_collaboration_suite:8.7.11:patch6:*:*:*:*:*:* *cpe:2.3:a:synacor:zimbra_collaboration_suite:8.7.11:patch7:*:*:*:*:*:* *cpe:2.3:a:synacor:zimbra_collaboration_suite:8.7.11:patch8:*:*:*:*:*:* *cpe:2.3:a:synacor:zimbra_collaboration_suite:8.7.11:patch9:*:*:*:*:*:* *cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.10:patch1:*:*:*:*:*:* *cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.10:patch2:*:*:*:*:*:* *cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.10:patch3:*:*:*:*:*:* *cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.10:patch4:*:*:*:*:*:* *cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.10:patch6:*:*:*:*:*:* *cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.11:patch1:*:*:*:*:*:* *cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.11:patch2:*:*:*:*:*:* *cpe:2.3:a:synacor:zimbra_collaboration_suite:8.7.11:patch10:*:*:*:*:*:* *cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.10:patch7:*:*:*:*:*:* *cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.11:patch3:*:*:*:*:*:* *cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.9:patch1:*:*:*:*:*:* *cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.9:patch2:*:*:*:*:*:* *cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.9:p5:*:*:*:*:*:* *cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.9:patch3:*:*:*:*:*:* *cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.9:patch4:*:*:*:*:*:* *cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.9:patch6:*:*:*:*:*:* *cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.9:patch7:*:*:*:*:*:* *cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.9:patch8:*:*:*:*:*:* *cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.9:patch9:*:*:*:*:*:*
    Removed CPE Configuration OR *cpe:2.3:a:zimbra:collaboration_server:*:*:*:*:*:*:*:* versions up to (excluding) 8.6.0 *cpe:2.3:a:zimbra:collaboration_server:8.6.0:-:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:8.6.0:p1:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:8.6.0:p2:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:8.6.0:p3:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:8.6.0:p4:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:8.6.0:p5:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:8.6.0:p6:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:8.6.0:p7:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:8.6.0:p8:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:8.6.0:p9:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:8.6.0:p10:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:8.6.0:p11:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:8.6.0:p12:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:*:*:*:*:*:*:*:* versions from (including) 8.7.0 up to (excluding) 8.7.11 *cpe:2.3:a:zimbra:collaboration_server:8.7.11:-:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:8.7.11:p1:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:8.7.11:p2:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:8.7.11:p3:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:8.7.11:p4:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:8.7.11:p5:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:8.7.11:p6:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:8.7.11:p7:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:8.7.11:p8:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:8.7.11:p9:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:*:*:*:*:*:*:*:* versions from (including) 8.8.0 up to (excluding) 8.8.10 *cpe:2.3:a:zimbra:collaboration_server:8.8.10:-:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:8.8.10:p1:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:8.8.10:p2:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:8.8.10:p3:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:8.8.10:p4:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:8.8.10:p5:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:8.8.10:p6:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:8.8.11:-:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:8.8.11:p1:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:8.8.11:p2:*:*:*:*:*:*
    Added Reference Type MITRE: http://packetstormsecurity.com/files/153190/Zimbra-XML-Injection-Server-Side-Request-Forgery.html Types: Exploit, Third Party Advisory, VDB Entry
    Added Reference Type CVE: http://packetstormsecurity.com/files/153190/Zimbra-XML-Injection-Server-Side-Request-Forgery.html Types: Exploit, Third Party Advisory, VDB Entry
    Added Reference Type MITRE: https://bugzilla.zimbra.com/show_bug.cgi?id=109127 Types: Issue Tracking
    Added Reference Type CVE: https://bugzilla.zimbra.com/show_bug.cgi?id=109127 Types: Issue Tracking
  • CVE CISA KEV Update by 9119a7d8-5eab-497f-8521-727c672e3725

    Jul. 08, 2025

    Action Type Old Value New Value
    Added Date Added 2025-07-07
    Added Due Date 2025-07-28
    Added Required Action Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
    Added Vulnerability Name Synacor Zimbra Collaboration Suite (ZCS) Server-Side Request Forgery (SSRF) Vulnerability
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jul. 07, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    Added CWE CWE-918
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://packetstormsecurity.com/files/152487/Zimbra-Collaboration-Autodiscover-Servlet-XXE-ProxyServlet-SSRF.html
    Added Reference http://packetstormsecurity.com/files/153190/Zimbra-XML-Injection-Server-Side-Request-Forgery.html
    Added Reference http://www.rapid7.com/db/modules/exploit/linux/http/zimbra_xxe_rce
    Added Reference https://blog.tint0.com/2019/03/a-saga-of-code-executions-on-zimbra.html
    Added Reference https://blog.zimbra.com/2019/03/9826/
    Added Reference https://bugzilla.zimbra.com/show_bug.cgi?id=109127
    Added Reference https://wiki.zimbra.com/wiki/Security_Center
    Added Reference https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
    Added Reference https://www.exploit-db.com/exploits/46693/
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Jun. 06, 2019

    Action Type Old Value New Value
    Added Reference http://packetstormsecurity.com/files/153190/Zimbra-XML-Injection-Server-Side-Request-Forgery.html [No Types Assigned]
  • CVE Modified by [email protected]

    May. 29, 2019

    Action Type Old Value New Value
    Added Reference https://bugzilla.zimbra.com/show_bug.cgi?id=109127 [No Types Assigned]
  • Initial Analysis by [email protected]

    May. 03, 2019

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:L/Au:N/C:P/I:N/A:N)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    Changed Reference Type http://packetstormsecurity.com/files/152487/Zimbra-Collaboration-Autodiscover-Servlet-XXE-ProxyServlet-SSRF.html No Types Assigned http://packetstormsecurity.com/files/152487/Zimbra-Collaboration-Autodiscover-Servlet-XXE-ProxyServlet-SSRF.html Exploit, Third Party Advisory, VDB Entry
    Changed Reference Type http://www.rapid7.com/db/modules/exploit/linux/http/zimbra_xxe_rce No Types Assigned http://www.rapid7.com/db/modules/exploit/linux/http/zimbra_xxe_rce Exploit, Third Party Advisory
    Changed Reference Type https://blog.zimbra.com/2019/03/9826/ No Types Assigned https://blog.zimbra.com/2019/03/9826/ Vendor Advisory
    Changed Reference Type https://www.exploit-db.com/exploits/46693/ No Types Assigned https://www.exploit-db.com/exploits/46693/ Exploit, Third Party Advisory, VDB Entry
    Changed Reference Type https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories No Types Assigned https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories Vendor Advisory
    Changed Reference Type https://wiki.zimbra.com/wiki/Security_Center No Types Assigned https://wiki.zimbra.com/wiki/Security_Center Release Notes, Vendor Advisory
    Changed Reference Type https://blog.tint0.com/2019/03/a-saga-of-code-executions-on-zimbra.html No Types Assigned https://blog.tint0.com/2019/03/a-saga-of-code-executions-on-zimbra.html Third Party Advisory
    Added CWE CWE-918
    Added CPE Configuration OR *cpe:2.3:a:zimbra:collaboration_server:*:*:*:*:*:*:*:* versions up to (excluding) 8.6.0 *cpe:2.3:a:zimbra:collaboration_server:8.6.0:-:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:8.6.0:p1:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:8.6.0:p10:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:8.6.0:p11:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:8.6.0:p12:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:8.6.0:p2:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:8.6.0:p3:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:8.6.0:p4:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:8.6.0:p5:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:8.6.0:p6:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:8.6.0:p7:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:8.6.0:p8:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:8.6.0:p9:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:*:*:*:*:*:*:*:* versions from (including) 8.7.0 up to (excluding) 8.7.11 *cpe:2.3:a:zimbra:collaboration_server:8.7.11:-:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:8.7.11:p1:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:8.7.11:p2:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:8.7.11:p3:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:8.7.11:p4:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:8.7.11:p5:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:8.7.11:p6:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:8.7.11:p7:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:8.7.11:p8:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:8.7.11:p9:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:*:*:*:*:*:*:*:* versions from (including) 8.8.0 up to (excluding) 8.8.10 *cpe:2.3:a:zimbra:collaboration_server:8.8.10:-:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:8.8.10:p1:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:8.8.10:p2:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:8.8.10:p3:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:8.8.10:p4:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:8.8.10:p5:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:8.8.10:p6:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:8.8.11:-:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:8.8.11:p1:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration_server:8.8.11:p2:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2019-9621 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2019-9621 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

91.79 }} 0.01%

score

0.99666

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
:
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Latest DB Update: Jul. 17, 2025 13:56