CVE-2020-3245: Cisco Smart Software Manager On-Prem Improper Access Control Vulnerability

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-06-18 · updated 2026-06-17
Weakness: CWE-284

Description

A vulnerability in the web application of Cisco Smart Software Manager On-Prem (SSM On-Prem) could allow an unauthenticated, remote attacker to create arbitrary user accounts. The vulnerability is due to the lack of authorization controls in the web application. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could allow the attacker to add user accounts to the configuration of an affected device. These accounts would not be administrator or operator accounts.

Affected products

Cisco Smart Software Manager On-Prem: before 8-202004 — fixed in 8-202004

How to fix

Upgrade to a fixed version: Cisco Smart Software Manager On-Prem 8-202004. Check the vendor advisory for mitigations.

References

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