Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
AV AC PR UI S C I A CVSS EPSS %ile KEV N L L N U H N N 6.5 .3183 98.3 YES
AFFECTED Product Versions Fixed Cisco Catalyst SD-WAN Manager 17.2.6 – —
TIMELINE Oct 8 Reserved by cisco Feb 25 Published (CNA: cisco) Apr 20 Added to CISA KEV, remediation due 2026-04-23
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.
| Date | Event | Detail |
|---|---|---|
| October 8, 2025 | Reserved | Reserved by cisco |
| February 25, 2026 | Published | Published (CNA: cisco) |
| April 20, 2026 | KEV ADDED | Added to CISA KEV, remediation due 2026-04-23 |
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|---|---|---|---|
| Cisco | Cisco Catalyst SD-WAN Manager | — | 17.2.6 | — |
Authoritative record: CVE-2026-20133 at cve.org
Vendors: cisco
Weaknesses: CWE-200
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-20133 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.
