CVE-2026-20160

9.8

CRITICAL CVSS 3.1

Cisco Smart Software Manager On-Prem Arbitrary Command Execution Vulnerability

Overview

Description

A vulnerability in Cisco Smart Software Manager On-Prem (SSM On-Prem) could allow an unauthenticated, remote attacker to execute arbitrary commands on the underlying operating system of an affected SSM On-Prem host. This vulnerability is due to the unintentional exposure of an internal service. An attacker could exploit this vulnerability by sending a crafted request to the API of the exposed service. A successful exploit could allow the attacker to execute commands on the underlying operating system with root-level privileges.

Details

INFO

Published Date :

April 1, 2026, 5:28 p.m.

Last Modified :

April 3, 2026, 4:11 p.m.

Remotely Exploit :

Yes !

Source :

[email protected]

Impact

Affected Products

The following products are affected by CVE-2026-20160 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	smart_software_manager_on-prem

: Total Affected Vendor : 1 | Products : 1

Scoring

CVSS Scores

The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.

Score	Version	Severity	Vector	Exploitability Score	Impact Score	Source
	CVSS 3.1	CRITICAL				[email protected]

Solution

Exploit OS command execution by patching Cisco SSM On-Prem to remove internal service exposure.

Update Cisco Smart Software Manager On-Prem.
Ensure internal services are not exposed.
Restrict access to the SSM On-Prem host.

References

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-2026-20160.

URL	Resource
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ssm-cli-execution-cHUcWuNr

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-20160 is associated with the following CWEs:

CWE-668: Exposure of Resource to Wrong Sphere

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-2026-20160 weaknesses.

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-2026-20160 vulnerability anywhere in the article.

Daily CyberSecurity

Public PoC and Technical Details Disclosed for Apache Syncope RCE

A new report from SecureLayer7 has unmasked a high-severity Remote Code Execution (RCE) vulnerability in Apache Syncope, a cornerstone of identity lifecycle management and access governance in many en ...

Published Date: Apr 20, 2026 (1 day, 8 hours ago)

Daily CyberSecurity

HPE Aruba Patches High-Severity Credential Theft Flaw

HPE Aruba Networking has issued an important software update to address a high-severity security flaw in its Private 5G Core On-Prem Platform. The vulnerability, tracked as CVE-2026-23818, could allow ...

Published Date: Apr 10, 2026 (1 week, 4 days ago)

Daily CyberSecurity

The MuPDF Vulnerability Turning “Safe” PDFs into System Hijackers

A significant security flaw has been unearthed in Artifex MuPDF, a popular framework prized for its speed and versatility in handling PDFs, XPS, and e-books. Labeled as CVE-2026-3308, this integer ove ...

Published Date: Apr 03, 2026 (2 weeks, 4 days ago)

TheCyberThrone

Cisco Patches Two Critical and Six High-Severity Vulnerabilities

April 3, 2026Cisco shipped fixes for eight vulnerabilities on Wednesday — two rated critical and six high-severity — spanning multiple products including Integrated Management Controller (IMC), Smart ...

Published Date: Apr 03, 2026 (2 weeks, 4 days ago)

The Hacker News

Cisco Patches 9.8 CVSS IMC and SSM Flaws Allowing Remote System Compromise

Cisco has released updates to address a critical security flaw in the Integrated Management Controller (IMC) that, if successfully exploited, could allow an unauthenticated, remote attacker to bypass ...