5.4
Medium
Exploited
CVE-2026-20122 Cisco Catalyst SD-WAN Manager Incorrect Use of Privileged APIs Vulnerability
Active exploitation observed
· CISA KEV catalogue
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.
Ransomware campaigns
Not observed so far
Weakness
CWE-648
Description
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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Cisco Catalyst SD-WAN Manager 20.18 | 20.18.1 → 20.18.2 | No fix stated |
| Cisco Catalyst SD-WAN Manager | 20.16.1 | No fix stated |
| Cisco Catalyst SD-WAN Manager 20.15 | 20.15.1 → 20.15.4.1 | No fix stated |
| Cisco Catalyst SD-WAN Manager | 20.14.1 | No fix stated |
| Cisco Catalyst SD-WAN Manager | 20.13.1 | No fix stated |
| Cisco Catalyst SD-WAN Manager 20.12 | 20.12.1 → 20.12.501 | No fix stated |
| Cisco Catalyst SD-WAN Manager 20.11 | 20.11.1 → 20.11.1.2 | No fix stated |
| Cisco Catalyst SD-WAN Manager 20.10 | 20.10.1 → 20.10.1.2 | No fix stated |
| Cisco Catalyst SD-WAN Manager 20.9 | 20.9.1EFT2 → 20.9.8 | No fix stated |
Show the 15 other branches Hide the 15 other branches
| Product | Affected versions | Fixed in |
|---|---|---|
| Cisco Catalyst SD-WAN Manager | 20.8.1 | No fix stated |
| Cisco Catalyst SD-WAN Manager 20.7 | 20.7.1EFT2 → 20.7.2 | No fix stated |
| Cisco Catalyst SD-WAN Manager 20.6 | 20.6.0.18.3 → 20.6.8 | No fix stated |
| Cisco Catalyst SD-WAN Manager 20.5 | 20.5.0.1.1 → 20.5.1.2 | No fix stated |
| Cisco Catalyst SD-WAN Manager 20.4 | 20.4.1 → 20.4.2.3 | No fix stated |
| Cisco Catalyst SD-WAN Manager 20.3 | 20.3.1 → 20.3.814 | No fix stated |
| Cisco Catalyst SD-WAN Manager 20.1 | 20.1.1 → 20.1.12 | No fix stated |
| Cisco Catalyst SD-WAN Manager | 19.3.0 | No fix stated |
| Cisco Catalyst SD-WAN Manager 19.2 | 19.2.0 → 19.2.929 | No fix stated |
| Cisco Catalyst SD-WAN Manager | 19.1.0 | No fix stated |
| Cisco Catalyst SD-WAN Manager 19.0 | 19.0.0 → 19.0.1a | No fix stated |
| Cisco Catalyst SD-WAN Manager 18.4 | 18.4.0 → 18.4.303 | No fix stated |
| Cisco Catalyst SD-WAN Manager 18.3 | 18.3.0 → 18.3.8 | No fix stated |
| Cisco Catalyst SD-WAN Manager | 18.2.0 | No fix stated |
| Cisco Catalyst SD-WAN Manager 17.2 | 17.2.4 → 17.2.10 | No fix stated |
References
- cisco-sa-sdwan-authbp-qwCX8D4v sec.cloudapps.cisco.com
Timeline
- Published
- Added to the KEV catalogue
- Last modified
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