CVE•Published 2026-04-01•Modified 2026-07-01•2 articles on news•6 live references•NVD data

CVE-2026-20160Cisco · Smart_software_manager_on-prem

Vulnerability data via NVD (ingested)

CVSS v3.1

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS percentile

Exploit Prediction Scoring System · top 44% of all CVEs

Weaknesses (CWE)

CWE-668Exposure of Resource to Wrong Sphere

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.

Timeline

Published 2026-04-01

Modified 2026-07-01

External references

NVD MITRE Exploit-DB GitHub PoC Sploitus VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2026-20160

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · product

product:"Cisco Smart Software Manager On-prem"

All exposed Cisco Smart Software Manager On-prem instances — cross-reference with the CVE's affected-version range.

Shodan · banner/body mention

http.html:"Smart Software Manager On-prem"

HTTP body or banner mentions "Smart Software Manager On-prem" — catches deploys Shodan didn't identify as a product.

More intel sources (5)

Shodan report

vuln:CVE-2026-20160