CVE-2021-34766: Cisco Smart Software Manager Privilege Escalation Vulnerability

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-10-06 · updated 2026-06-17
Weakness: CWE-269

Description

A vulnerability in the web UI of Cisco Smart Software Manager On-Prem (SSM On-Prem) could allow an authenticated, remote attacker to elevate privileges and create, read, update, or delete records and settings in multiple functions. This vulnerability is due to insufficient authorization of the System User and System Operator role capabilities. An attacker could exploit this vulnerability by directly accessing a web resource. A successful exploit could allow the attacker to create, read, update, or delete records and settings in multiple functions without the necessary permissions on the web UI.

Affected products

Cisco Smart Software Manager On-Prem: before 8-202108 — fixed in 8-202108

How to fix

Upgrade to a fixed version: Cisco Smart Software Manager On-Prem 8-202108. Check the vendor advisory for mitigations.

References

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