CVE-2026-20312

CVE Enrichment

CVSS: 8.8 HIGH
EPSS: 0.31%
EPSS Percentile: 23.23%
CISA KEV: Not listed

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.

Technical Details

CVSS Version: 3.1
CNA / NVD Source: [email protected]
Published: 06-Aug-2026 00:16
Last Modified: 24-Oct-2026 04:10
EPSS Date: 2026-10-25
CWE: CWE-312

CVSS Vector


            CVSS:3.1                            AV:N /
                            AC:L /
                            PR:L /
                            UI:N /
                            S:U /
                            C:H /
                            I:H /
                            A:H

References

Last enrichment sync: 03-Nov-2026 05:55
Sources: NVD · FIRST EPSS · CISA KEV
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Reported Context (2)

CVE-2026-20312 (CVSS score: 8.8) – A cleartext storage of sensitive information vulnerability Cisco Patches 12 SD-WAN and IOS XE Flaws, Fixes IMC Bugs, Warns of FMC Exploitation
The remaining two, CVE-2026-20312 and CVE-2026-20313, are high-severity flaws described as cleartext storage of sensitive information and improper validation of specified quantity in input. Cisco Patches Critical Vulnerabilities in SD-WAN, IOS XE, and FMC

CVE (15)

People (1)

MITRE ATT&CK (2)

Vendors (1)

Products (9)

Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.