CVE-2021-1283: Cisco Data Center Network Manager Information Disclosure Vulnerability

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-01-20 · updated 2026-06-17
Weakness: CWE-789

Description

A vulnerability in the logging subsystem of Cisco Data Center Network Manager (DCNM) could allow an authenticated, local attacker to view sensitive information in a system log file that should be restricted. The vulnerability exists because sensitive information is not properly masked before it is written to system log files. An attacker could exploit this vulnerability by authenticating to an affected device and inspecting a specific system log file. A successful exploit could allow the attacker to view sensitive information in the system log file. To exploit this vulnerability, the attacker would need to have valid user credentials.

Affected products

Cisco Data Center Network Manager: before 11.5\(1\) — fixed in 11.5\(1\)

How to fix

Upgrade to a fixed version: Cisco Data Center Network Manager 11.5\(1\). Check the vendor advisory for mitigations.

References

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