CVE-2026-20122
Cisco Catalyst SD-WAN Manager Incorrect Use of Privileged APIs Vulnerability
IN CISA KEV
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.
- Vendor
- Cisco
- Product
- Catalyst SD-WAN Manger
- CVSS
- No score recorded (no NVD record loaded for this entry)
- CWE
- CWE-648
- Published
- Not recorded
- NVD modified
- Not recorded
CISA KEV
- Date added
- 2026-04-20
- Due date
- 2026-04-23
- Ransomware use
- Unknown
- Required action
- 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.
EPSS
25.5% chance of exploitation in the next 30 days (percentile 97th)
FIRST EPSS, updated 17 Oct 2026. About EPSS
CVSS is severity, EPSS is likelihood, KEV means already exploited. EPSS is a statistical probability, not a certainty: a low score does not make a bug safe, and a high one does not prove it is being exploited.
Data last updated 18 Oct 2026. Sources: NVD API 2.0, CISA KEV catalog, FIRST EPSS. Links: NVD, CISA KEV. Metadata only. ThreatWire does not host exploit code.