CVE-2026-20122

CISA KEV
ACT NOW Priority: 0.00 BB Relevance: 5/100
Published: N/A Modified: N/A First seen: 2026-10-29 Status: pending_score

Description

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 Known Exploited Vulnerability

Vendor / Product Cisco — Catalyst SD-WAN Manger
Date Added 2026-04-20
Remediation Due 2026-04-23
CISA Mitigation Instructions: https://www.cisa.gov/news-events/directives/ed-26-03-mitigate-vulnerabilities-cisco-sd-wan-systems ; https://www.cisa.gov/news-events/directives/supplemental-direction-ed-26-03-hunt-and-hardening-guidance-cisco-sd-wan-systems ; https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-authbp-qwCX8D4v ; https://nvd.nist.gov/vuln/detail/CVE-2026-20122

Bug Bounty Relevance

5 / 100
✓ Known exploited (KEV)

CVSS Score

Unscored

EPSS — Exploitation Probability

25.80%
Raw Score 0.258010
Percentile 98.0%
Date 2026-10-28

Intelligence Sources

kev ref →