HIGH KEV
A vulnerability in Cisco Catalyst SD-WAN Software could allow an unauthenticated, remote attacker to view sensitive information on an affected system
Published Feb 25, 2026 ·Due Apr 23, 2026
7.5
HIGHCVSS 3.1
EPSS 31.83%
Description
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.
Affected products
-
- Version 17.2.10StatusaffectedConstraints-
- Version 17.2.4StatusaffectedConstraints-
- Version 17.2.5StatusaffectedConstraints-
- Version 17.2.6StatusaffectedConstraints-
- Version 17.2.7StatusaffectedConstraints-
- Version 17.2.8StatusaffectedConstraints-
- Version 17.2.9StatusaffectedConstraints-
- Version 18.2.0StatusaffectedConstraints-
- Version 18.3.0StatusaffectedConstraints-
- Version 18.3.1StatusaffectedConstraints-
- Version 18.3.1.1StatusaffectedConstraints-
- Version 18.3.3StatusaffectedConstraints-
- Version 18.3.3.1StatusaffectedConstraints-
- Version 18.3.4StatusaffectedConstraints-
- Version 18.3.5StatusaffectedConstraints-
- Version 18.3.6.1StatusaffectedConstraints-
- Version 18.3.7StatusaffectedConstraints-
- Version 18.3.8StatusaffectedConstraints-
- Version 18.4.0StatusaffectedConstraints-
- Version 18.4.0.1StatusaffectedConstraints-
- Version 18.4.1StatusaffectedConstraints-
- Version 18.4.3StatusaffectedConstraints-
- Version 18.4.302StatusaffectedConstraints-
- Version 18.4.303StatusaffectedConstraints-
- Version 18.4.4StatusaffectedConstraints-
- Version 18.4.5StatusaffectedConstraints-
- Version 18.4.6StatusaffectedConstraints-
- Version 19.1.0StatusaffectedConstraints-
- Version 19.2.0StatusaffectedConstraints-
- Version 19.2.097StatusaffectedConstraints-
- Version 19.2.099StatusaffectedConstraints-
- Version 19.2.1StatusaffectedConstraints-
- Version 19.2.2StatusaffectedConstraints-
- Version 19.2.3StatusaffectedConstraints-
- Version 19.2.31StatusaffectedConstraints-
- Version 19.2.4StatusaffectedConstraints-
- Version 19.2.929StatusaffectedConstraints-
- Version 19.3.0StatusaffectedConstraints-
- Version 20.1.1StatusaffectedConstraints-
- Version 20.1.1.1StatusaffectedConstraints-
- Version 20.1.12StatusaffectedConstraints-
- Version 20.1.2StatusaffectedConstraints-
- Version 20.1.3StatusaffectedConstraints-
- Version 20.10.1StatusaffectedConstraints-
- Version 20.10.1.1StatusaffectedConstraints-
- Version 20.10.1.2StatusaffectedConstraints-
- Version 20.11.1StatusaffectedConstraints-
- Version 20.11.1.1StatusaffectedConstraints-
- Version 20.11.1.2StatusaffectedConstraints-
- Version 20.12.1StatusaffectedConstraints-
- Version 20.12.1_LI_ImagesStatusaffectedConstraints-
- Version 20.12.2StatusaffectedConstraints-
- Version 20.12.3StatusaffectedConstraints-
- Version 20.12.3.1StatusaffectedConstraints-
- Version 20.12.4StatusaffectedConstraints-
- Version 20.12.4.1StatusaffectedConstraints-
- Version 20.12.5StatusaffectedConstraints-
- Version 20.12.5.1StatusaffectedConstraints-
- Version 20.12.5.2StatusaffectedConstraints-
- Version 20.12.6StatusaffectedConstraints-
- Version 20.13.1StatusaffectedConstraints-
- Version 20.14.1StatusaffectedConstraints-
- Version 20.15.1StatusaffectedConstraints-
- Version 20.15.2StatusaffectedConstraints-
- Version 20.15.3StatusaffectedConstraints-
- Version 20.15.3.1StatusaffectedConstraints-
- Version 20.15.4StatusaffectedConstraints-
- Version 20.15.4.1StatusaffectedConstraints-
- Version 20.16.1StatusaffectedConstraints-
- Version 20.18.1StatusaffectedConstraints-
- Version 20.18.2StatusaffectedConstraints-
- Version 20.3.1StatusaffectedConstraints-
- Version 20.3.2StatusaffectedConstraints-
- Version 20.3.2.1StatusaffectedConstraints-
- Version 20.3.3StatusaffectedConstraints-
- Version 20.3.3.1StatusaffectedConstraints-
- Version 20.3.4StatusaffectedConstraints-
- Version 20.3.4.1StatusaffectedConstraints-
- Version 20.3.4.2StatusaffectedConstraints-
- Version 20.3.4.3StatusaffectedConstraints-
- Version 20.3.5StatusaffectedConstraints-
- Version 20.3.5.1StatusaffectedConstraints-
- Version 20.3.6StatusaffectedConstraints-
- Version 20.3.7StatusaffectedConstraints-
- Version 20.3.7.1StatusaffectedConstraints-
- Version 20.3.7.2StatusaffectedConstraints-
- Version 20.3.8StatusaffectedConstraints-
- Version 20.4.1StatusaffectedConstraints-
- Version 20.4.1.1StatusaffectedConstraints-
- Version 20.4.1.2StatusaffectedConstraints-
- Version 20.4.2StatusaffectedConstraints-
- Version 20.4.2.1StatusaffectedConstraints-
- Version 20.4.2.2StatusaffectedConstraints-
- Version 20.4.2.3StatusaffectedConstraints-
- Version 20.5.1StatusaffectedConstraints-
- Version 20.5.1.1StatusaffectedConstraints-
- Version 20.5.1.2StatusaffectedConstraints-
- Version 20.6.1StatusaffectedConstraints-
- Version 20.6.1.1StatusaffectedConstraints-
- Version 20.6.1.2StatusaffectedConstraints-
- Version 20.6.2StatusaffectedConstraints-
- Version 20.6.2.1StatusaffectedConstraints-
- Version 20.6.2.2StatusaffectedConstraints-
- Version 20.6.3StatusaffectedConstraints-
- Version 20.6.3.0.45StatusaffectedConstraints-
- Version 20.6.3.0.46StatusaffectedConstraints-
- Version 20.6.3.0.47StatusaffectedConstraints-
- Version 20.6.3.1StatusaffectedConstraints-
- Version 20.6.3.2StatusaffectedConstraints-
- Version 20.6.3.3StatusaffectedConstraints-
- Version 20.6.3.4StatusaffectedConstraints-
- Version 20.6.4StatusaffectedConstraints-
- Version 20.6.4.0.21StatusaffectedConstraints-
- Version 20.6.4.1StatusaffectedConstraints-
- Version 20.6.4.2StatusaffectedConstraints-
- Version 20.6.5StatusaffectedConstraints-
- Version 20.6.5.1StatusaffectedConstraints-
- Version 20.6.5.1.10StatusaffectedConstraints-
- Version 20.6.5.1.11StatusaffectedConstraints-
- Version 20.6.5.1.13StatusaffectedConstraints-
- Version 20.6.5.1.7StatusaffectedConstraints-
- Version 20.6.5.1.9StatusaffectedConstraints-
- Version 20.6.5.2StatusaffectedConstraints-
- Version 20.6.5.2.4StatusaffectedConstraints-
- Version 20.6.5.2.8StatusaffectedConstraints-
- Version 20.6.5.3StatusaffectedConstraints-
- Version 20.6.5.4StatusaffectedConstraints-
- Version 20.6.5.5StatusaffectedConstraints-
- Version 20.6.6StatusaffectedConstraints-
- Version 20.6.7StatusaffectedConstraints-
- Version 20.6.8StatusaffectedConstraints-
- Version 20.7.1StatusaffectedConstraints-
- Version 20.7.1.1StatusaffectedConstraints-
- Version 20.7.2StatusaffectedConstraints-
- Version 20.8.1StatusaffectedConstraints-
- Version 20.9.1StatusaffectedConstraints-
- Version 20.9.2StatusaffectedConstraints-
- Version 20.9.2.1StatusaffectedConstraints-
- Version 20.9.2.3StatusaffectedConstraints-
- Version 20.9.3StatusaffectedConstraints-
- Version 20.9.3.0.12StatusaffectedConstraints-
- Version 20.9.3.0.16StatusaffectedConstraints-
- Version 20.9.3.0.17StatusaffectedConstraints-
- Version 20.9.3.0.18StatusaffectedConstraints-
- Version 20.9.3.0.20StatusaffectedConstraints-
- Version 20.9.3.0.21StatusaffectedConstraints-
- Version 20.9.3.0.23StatusaffectedConstraints-
- Version 20.9.3.1StatusaffectedConstraints-
- Version 20.9.3.2StatusaffectedConstraints-
- Version 20.9.3.2_LI_ImagesStatusaffectedConstraints-
- Version 20.9.4StatusaffectedConstraints-
- Version 20.9.4.1StatusaffectedConstraints-
- Version 20.9.4_LI_ImagesStatusaffectedConstraints-
- Version 20.9.5StatusaffectedConstraints-
- Version 20.9.5.1StatusaffectedConstraints-
- Version 20.9.5.2StatusaffectedConstraints-
- Version 20.9.5.3StatusaffectedConstraints-
- Version 20.9.6StatusaffectedConstraints-
- Version 20.9.7StatusaffectedConstraints-
- Version 20.9.7.1StatusaffectedConstraints-
- Version 20.9.8StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cisco | Cisco Catalyst SD-WAN Manager | n/a |
|
OR
- < 20.9.8.2
- ≥ 20.10 · < 20.12.5.3
- ≥ 20.13 · < 20.15.4.2
- ≥ 20.16 · < 20.18.2.1
- 20.12.6
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Weaknesses (1)
References (3)
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-8678 Advisory
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-authbp-qwCX8D4v Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-20133 government-resourceUS Government Resource
| Link | Providers | Tags |
|---|---|---|
| https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-8678 | Advisory | |
| https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-authbp-qwCX8D4v | Vendor Advisory | |
| https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-20133 | government-resourceUS Government Resource |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner cisco
Published Feb 25, 2026
Updated Apr 22, 2026
Reserved Oct 8, 2025
Link CVE-2026-20133
CISA Vulnrichment
Updated Apr 22, 2026
ENISA EUVD
EUVD-2026-8678 Assigner cisco
Published Feb 25, 2026
Updated Apr 22, 2026
Exploited since Apr 20, 2026
Link EUVD-2026-8678