Cisco Catalyst SD-WAN Manager: information disclosure
Medium6.5CVE-2026-20294 · Published Aug 5, 2026 · updated Aug 6, 2026
A vulnerability in the web-based management interface of Cisco Catalyst SD-WAN Manager could allow an authenticated, remote attacker to view sensitive information in clear text on an affected system. This vulnerability is due to insufficient access control enforcement for specific template types that are not included in the encryption allowlist. A low-privileged attacker could exploit this vulnerability by viewing logs on the local system or on a remote logging server. A successful exploit could allow the attacker to view sensitive authentication credentials, which could lead to further compromise of network infrastructure and connected services.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| Cisco Catalyst SD-WAN Manager Product | <= 20.1.12 | No fix yet |
| <= 19.2.1 | No fix yet | |
| <= 18.4.4 | No fix yet | |
| <= 18.4.5 | No fix yet |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-319
More Cisco advisories
All Cisco| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Aug 5 | Cisco Catalyst SD-WAN: cleartext secrets | High8.8 | No fix yet |
| Aug 5 | Cisco Catalyst SD-WAN: improper quantity validation | High7.7 | No fix yet |
| Aug 5 | Cisco IOS XE Software: denial of service | Medium4.3 | No fix yet |
| Aug 5 | Cisco Catalyst SD-WAN: link following | Critical9.1 | No fix yet |
| Aug 5 | Cisco IOS XE Software: denial of service | Medium6.3 | No fix yet |
| Aug 5 | Cisco IOS XE Software: denial of service | High8.6 | No fix yet |