CVE-2021-1487: Cisco Prime Infrastructure and Cisco Evolved Programmable Network Manager Command Injection Vulnerability

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-05-22 · updated 2026-06-17
Weakness: CWE-78

Description

A vulnerability in the web-based management interface of Cisco Prime Infrastructure and Evolved Programmable Network (EPN) Manager could allow an authenticated, remote attacker to execute arbitrary commands on an affected system. The vulnerability is due to insufficient validation of user-supplied input to the web-based management interface. An attacker could exploit this vulnerability by sending crafted HTTP requests to the interface. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system (OS) with the permissions of a special non-root user. In this way, an attacker could take control of the affected system, which would allow them to obtain and alter sensitive data. The attacker could also affect the devices that are managed by the affected system by pushing arbitrary configuration files, retrieving device credentials and confidential information, and ultimately undermining the stability of the devices, causing a denial of service (DoS) condition.

Affected products

Cisco Evolved Programmable Network Manager (EPNM): before 5.1 — fixed in 5.1
Cisco Prime Infrastructure: before 3.9 — fixed in 3.9

How to fix

Upgrade to a fixed version: Cisco Evolved Programmable Network Manager (EPNM) 5.1; Cisco Prime Infrastructure 3.9. Check the vendor advisory for mitigations.

References

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