7.8
HIGH
CVE-2019-17421
Zoho ManageEngine OpManager Firewall Analyzer Local Privilege Escalation
Description

Incorrect file permissions on the packaged Nipper executable file in Zoho ManageEngine OpManager 12.4.072 and Firewall Analyzer 12.4.072 allow local users to elevate privileges to root by overwriting this file with a malicious payload.

INFO

Published Date :

Nov. 21, 2019, 3:15 p.m.

Last Modified :

April 29, 2021, 6:17 p.m.

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2019-17421 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 Zohocorp manageengine_opmanager
2 Zohocorp manageengine_firewall_analyzer
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-2019-17421.

URL Resource
https://blog.vastart.dev/2019/11/cve-2019-17421-privilege-escalation.html Third Party Advisory
https://twitter.com/va_start Exploit Third Party Advisory
https://www.manageengine.com/products/firewall/security-updates/cve-2019-17421.html Patch Vendor Advisory

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).

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

The following list is the news that have been mention CVE-2019-17421 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2019-17421 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.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CPE Deprecation Remap by [email protected]

    Apr. 29, 2021

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:zohocorp:manageengine_opmanager:12.4:124072:*:*:*:*:*:* OR *cpe:2.3:a:zohocorp:manageengine_opmanager:12.4:build124072:*:*:*:*:*:*
  • Initial Analysis by [email protected]

    Dec. 03, 2019

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:C/I:C/A:C)
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://blog.vastart.dev/2019/11/cve-2019-17421-privilege-escalation.html No Types Assigned https://blog.vastart.dev/2019/11/cve-2019-17421-privilege-escalation.html Third Party Advisory
    Changed Reference Type https://twitter.com/va_start No Types Assigned https://twitter.com/va_start Exploit, Third Party Advisory
    Changed Reference Type https://www.manageengine.com/products/firewall/security-updates/cve-2019-17421.html No Types Assigned https://www.manageengine.com/products/firewall/security-updates/cve-2019-17421.html Patch, Vendor Advisory
    Added CWE NIST CWE-276
    Added CPE Configuration OR *cpe:2.3:a:zohocorp:manageengine_firewall_analyzer:12.4:124072:*:*:*:*:*:* *cpe:2.3:a:zohocorp:manageengine_opmanager:12.4:124072:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Nov. 29, 2019

    Action Type Old Value New Value
    Added Reference https://www.manageengine.com/products/firewall/security-updates/cve-2019-17421.html [No Types Assigned]
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-2019-17421 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-2019-17421 weaknesses.

Exploit Prediction

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

0.04 }} 0.00%

score

0.05635

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability