Cisco Catalyst SD-WAN Manager Incorrect Use of Privileged APIs Vulnerability

Public source report. This item is not matched to your stack and does not establish whether you are affected.

• NewsExploited · CISA KEVCisco · Catalyst SD-WAN Manger

  Cisco Catalyst SD-WAN Manager Incorrect Use of Privileged APIs Vulnerability

  CVE-2026-20122

  Cisco Catalyst SD-WAN Manager contains an incorrect use of privileged APIs vulnerability due to improper file handling on the API interface of an affected system. An attacker could exploit this vulnerability by uploading a malicious file on the local file system. A successful exploit could allow the attacker to overwrite arbitrary files on the affected system and gain vmanage user privileges.

  CISA's required action · due 23 Apr 2026 for U.S. federal civilian agencies

  Please adhere to CISA’s guidelines to assess exposure and mitigate risks associated with Cisco SD-WAN devices as outlines in CISA’s Emergency Directive 26-03 (URL listed below in Notes) and CISA’s “Hunt & Hardening Guidance for Cisco SD-WAN Devices (URL listed below in Notes). Adhere to the applicable BOD 22-01 guidance for cloud services or discontinue use of the product if mitigations are not available.

  Cited by CISA: sec.cloudapps.cisco.com · nvd.nist.gov

  Added to KEV 20 Apr 2026 · Source checked 4 Nov 2026, 16:35 UTC · CISA KEV entry

  Loading voting…