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CVE-2026-20160

Cisco Smart Software Manager On-prem remote code execution

9.8 CRITICALEPSS 0.91%
  1. Published1 Apr 2026

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.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Cisco Smart Software Manager On-prem≥ 9-202502 < 9-202601

Remediation

Fixed in
Cisco Smart Software Manager On-prem≥ 9-202601

References

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Frequently asked

Is CVE-2026-20160 being actively exploited?

CVE-2026-20160 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.91%.

How severe is CVE-2026-20160?

CVE-2026-20160 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.91% probability of exploitation.

Which products are affected by CVE-2026-20160?

Affected products include Cisco Smart Software Manager On-prem.

How do I fix CVE-2026-20160?

Upgrade affected software to a fixed version, for example Cisco Smart Software Manager On-prem 9-202601 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-20160 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.