CVE Tools
Sign in

CVE-2026-20313

Cisco Catalyst SD-WAN Security Hardening Release - Memory Corruption Vulnerabilities

Published: Aug 5, 2026Updated: Aug 6, 2026 Sources: CVE List NVDCWE-1284
7.7HIGH
NVD MITRE
EPSS Score
0.2%
Top 83.9%
CISA KEV
Not in KEV
Exploits
0 Known
Remediation
No Fix Available
Self-Check
OpenVAS

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:CC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-1284

Affected Products

Cisco
commercial·USaka cisco systems, cisco systems inc.
Cisco Catalyst SD-WAN Controller
Networking Infrastructure
Cisco Catalyst SD-WAN Manager
Networking Infrastructure

Exploitability

0 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Is your org exposed to CVE-2026-20313?We can run the check for you — a free external exposure review, no install. Check my exposure

References

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-sdwan-faLcR3K
sec.cloudapps.cisco.com
News mentions
2

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2026-20313 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows