CVE-2026-20312: Cleartext Storage of Sensitive Information in Cisco Cisco Catalyst SD-WAN Controller
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-2026-20312 are related to Cleartext storage of sensitive information issues that are grouped under the Common Weakness Enumeration (CWE) CWE-312.
AI Analysis
Technical Summary
Cisco Catalyst SD-WAN Controller contains a vulnerability (CVE-2026-20312) related to the cleartext storage of sensitive information, categorized under CWE-312. This vulnerability was discovered internally by Cisco during a security review and affects many specific versions of the software. The CVSS 3.1 base score is 8.8, reflecting network attack vector, low attack complexity, required privileges, and no user interaction, with high impact on confidentiality, integrity, and availability. Cisco has not yet published an official remediation or patch for this vulnerability.
Potential Impact
The vulnerability allows sensitive information to be stored in cleartext, which could lead to unauthorized disclosure if an attacker gains access to the affected system. The CVSS score of 8.8 indicates a high impact on confidentiality, integrity, and availability, meaning exploitation could severely compromise the affected system. However, there are no known exploits in the wild currently.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Cisco has not provided an official fix or temporary mitigation at this time. Users should monitor Cisco's advisories for updates and apply any forthcoming patches promptly.
CVE-2026-20312: Cleartext Storage of Sensitive Information in Cisco Cisco Catalyst SD-WAN Controller
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-2026-20312 are related to Cleartext storage of sensitive information issues that are grouped under the Common Weakness Enumeration (CWE) CWE-312.
CVSS v3.1
Score 8.8high
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
Cisco Catalyst SD-WAN Controller contains a vulnerability (CVE-2026-20312) related to the cleartext storage of sensitive information, categorized under CWE-312. This vulnerability was discovered internally by Cisco during a security review and affects many specific versions of the software. The CVSS 3.1 base score is 8.8, reflecting network attack vector, low attack complexity, required privileges, and no user interaction, with high impact on confidentiality, integrity, and availability. Cisco has not yet published an official remediation or patch for this vulnerability.
Potential Impact
The vulnerability allows sensitive information to be stored in cleartext, which could lead to unauthorized disclosure if an attacker gains access to the affected system. The CVSS score of 8.8 indicates a high impact on confidentiality, integrity, and availability, meaning exploitation could severely compromise the affected system. However, there are no known exploits in the wild currently.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Cisco has not provided an official fix or temporary mitigation at this time. Users should monitor Cisco's advisories for updates and apply any forthcoming patches promptly.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- cisco
- Date Reserved
- 2025-10-08T11:59:15.409Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a736b62bf8831d5392da521
Added to database: 08/05/2026, 16:57:06 UTC
Last enriched: 08/05/2026, 17:13:04 UTC
Last updated: 08/05/2026, 20:03:55 UTC
Views: 5
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.