In CISA KEV6.5 MediumCWE-200
CVE-2026-20133
Cisco Catalyst SD-WAN Manager Exposure of Sensitive Information to an Unauthorized Actor Vulnerability
CiscoCatalyst SD-WAN Manager
Status
- Exploited in the wild
- In CISA KEV since 20 Apr
- Vendor fix available
Federal deadlineThu 23 Apr, 23:59 UTC
Passed 184 days ago
CISA KEV · added 20 Apr
Exploit probabilityEPSSchecked 25 Oct
31%probability of exploitation in the next 30 days
Higher than 98% of scored CVEs
SeverityCVSS
6.5Medium
Description NVD
A vulnerability in Cisco Catalyst SD-WAN Software could allow an unauthenticated, remote attacker to view sensitive information on an affected system. This vulnerability is due to insufficient file system restrictions. An authenticated attacker with netadmin privileges could exploit this vulnerability by accessing the vshell of an affected system. A successful exploit could allow the attacker to read sensitive information on the underlying operating system.
CISA 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.
Coverage 5 articles · 4 outlets
See the full timelineShow as table
| Published (UTC) | Outlet | Headline |
|---|---|---|
| Fri 13 Mar · 20:15 UTC | Dark Reading | Fake PoCs, Misunderstood Risks Cause Cisco SD-WAN Chaos |
| Tue 21 Apr · 00:22 UTC | CISA | Cisco SDWAN flaw leaks data, CISA orders patch by April 2026 |
| Tue 21 Apr · 00:58 UTC | CISA | Cisco SD-WAN flaw leaks data, CISA urges urgent patching |
| Tue 21 Apr · 10:21 UTC | Security Affairs | CISA adds weaponised PaperCut, TeamCity flaws to KEV catalog |
| Tue 21 Apr · 11:31 UTC | SecurityWeek | CISA Adds Cisco SD WAN, Zimbra XSS Flaws to KEV Catalog |
- CISA Adds Cisco SD WAN, Zimbra XSS Flaws to KEV CatalogSecurityWeek
- CISA adds weaponised PaperCut, TeamCity flaws to KEV catalogSecurity Affairs
- Cisco SD-WAN flaw leaks data, CISA urges urgent patchingCISA · official notice
- Cisco SDWAN flaw leaks data, CISA orders patch by April 2026CISA · official notice
- Fake PoCs, Misunderstood Risks Cause Cisco SD-WAN ChaosDark Reading · first in our coverage · mentions it in passing