5.3
MEDIUM
CVE-2020-3122
Cisco AsyncOS for Cisco Content Security Management Appliance (SMA) Information Disclosure
Description

A vulnerability in the web-based management interface of Cisco AsyncOS for Cisco Content Security Management Appliance (SMA) could allow an unauthenticated, remote attacker to obtain sensitive network information.

INFO

Published Date :

March 4, 2025, 7:15 p.m.

Last Modified :

July 31, 2025, 7:44 p.m.

Remotely Exploitable :

Yes !

Impact Score :

1.4

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2020-3122 has a 1 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-2020-3122 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 Cisco secure_email_and_web_manager
2 Cisco asyncos
3 Cisco content_security_management_appliance
4 Cisco secure_email_and_web_manager_m170
5 Cisco secure_email_and_web_manager_m190
6 Cisco secure_email_and_web_manager_m195
7 Cisco secure_email_and_web_manager_m380
8 Cisco secure_email_and_web_manager_m390
9 Cisco secure_email_and_web_manager_m390x
10 Cisco secure_email_and_web_manager_m395
11 Cisco secure_email_and_web_manager_m680
12 Cisco secure_email_and_web_manager_m690
13 Cisco secure_email_and_web_manager_m690x
14 Cisco secure_email_and_web_manager_m695
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-2020-3122.

URL Resource
https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvr92383 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).

Founder @ VulnHero & Siber Ninja | Offensive Security, AI/ML & VoIP Expert | PhD

Updated: 19 hours, 54 minutes ago
0 stars 0 fork 0 watcher
Born at : Aug. 11, 2025, 1:05 p.m. This repo has been linked 2 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-2020-3122 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-3122 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.

  • Reanalysis by [email protected]

    Jul. 31, 2025

    Action Type Old Value New Value
    Added CPE Configuration AND OR *cpe:2.3:o:cisco:asyncos:11.0.0-128:*:*:*:*:*:*:* OR cpe:2.3:h:cisco:secure_email_and_web_manager_m195:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:secure_email_and_web_manager_m395:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:secure_email_and_web_manager_m695:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:secure_email_and_web_manager_m170:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:secure_email_and_web_manager_m190:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:secure_email_and_web_manager_m380:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:secure_email_and_web_manager_m690:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:secure_email_and_web_manager_m690x:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:secure_email_and_web_manager_m680:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:secure_email_and_web_manager_m390:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:secure_email_and_web_manager_m390x:-:*:*:*:*:*:*:*
    Removed CPE Configuration OR *cpe:2.3:a:cisco:content_security_management_appliance:11.0.0-128:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_email_and_web_manager:11.0.0-128:*:*:*:*:*:*:*
  • Initial Analysis by [email protected]

    Jul. 31, 2025

    Action Type Old Value New Value
    Added CPE Configuration OR *cpe:2.3:a:cisco:content_security_management_appliance:11.0.0-128:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_email_and_web_manager:11.0.0-128:*:*:*:*:*:*:*
    Added Reference Type Cisco Systems, Inc.: https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvr92383 Types: Vendor Advisory
  • New CVE Received by [email protected]

    Mar. 04, 2025

    Action Type Old Value New Value
    Added Description A vulnerability in the web-based management interface of Cisco AsyncOS for Cisco Content Security Management Appliance (SMA) could allow an unauthenticated, remote attacker to obtain sensitive network information.
    Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
    Added CWE CWE-284
    Added Reference https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvr92383
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-2020-3122 is associated with the following CWEs:

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability