Cisco Catalyst SD-WAN Manager Incorrect Use of Privileged APIs Vulnerability. Actively exploited: CISA added this vulnerability to its Known Exploited Vulnerabilities catalog on 20/04/2026. Patch affected systems as an emergency.
| Package | Affected versions | Patched versions |
|---|---|---|
| catalyst sd-wan manager | = 20.12.6≥ 20.10, < 20.12.5.3≥ 20.13, < 20.15.4.2≥ 20.16, < 20.18.2.1< 20.9.8.2 | 20.12.5.320.15.4.220.18.2.120.9.8.2 |
A vulnerability in the API of Cisco Catalyst SD-WAN Manager could allow an authenticated, remote attacker to overwrite arbitrary files on the local file system. To exploit this vulnerability, the attacker must have valid read-only credentials with API access on the affected system. This vulnerability is 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.
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