Cisco Application Policy Infrastructure Controller API Command Injection Vulnerability (Cisco Cisco Application Policy Infrastructure Controller (APIC))

CVE-2026-20321
MEDIUM 6.5

At a glance

Source
NVD
EPSS
EPSS 0.43 % · percentile 38 ()
State
PUBLISHED
Published
Updated
Assigner
cisco
NVD status
Awaiting Analysis

Description

A vulnerability in the web-based management API for Cisco Application Policy Infrastructure Controller (APIC) could allow an authenticated, remote attacker to execute arbitrary commands as the root user. To exploit this vulnerability, the attacker must have valid administrative credentials. This vulnerability is due to insufficient input validation of user-controlled command arguments. An attacker could exploit this vulnerability by authenticating using the API and sending crafted input. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system of an affected device with root-level privileges.

Weaknesses (CWE)

  • CWE-544 — Missing Standardized Error Handling Mechanism

References

Scores

VersionScoreVectorScored by
CVSS 3.1MEDIUM 6.5CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Ncisco
CVSS 3.1MEDIUM 6.5CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:NNVD · psirt@cisco.com (Secondary)

European references

Affected products

ProductVersions
Cisco · Cisco Application Policy Infrastructure Controller (APIC)affected 5.3(1d) ; affected 5.3(2a) ; affected 5.3(2b) ; affected 5.3(2c) ; affected 5.3(2d) ; affected 5.3(2e)

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD