CVE-2026-20313
Cisco Catalyst SD-WAN Security Hardening Release - Memory Corruption Vulnerabilities
Severity
High 7.7
CVSS 3.1
Exploited
Not listed
EPSS
0.003
20.0th percentile
Discovered by
Vendor
Vendor-published field
Published
Aug 5, 2026
Assigned by cisco
Description
As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Catalyst SD-WAN engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-20313 are related to Improper link resolution before file access issues that are grouped under the Common Weakness Enumeration (CWE) CWE-1284.
Weakness: CWE-1284
Affected products
| Vendor | Product | Category | Matched by |
|---|---|---|---|
| Cisco | Cisco Catalyst SD-WAN Manager | Network & Security Management | cna-assigner |
Vendor-reported products (2)
- Cisco · Cisco Catalyst SD-WAN Controller
- Cisco · Cisco Catalyst SD-WAN Manager