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Vulnerability Intelligence Report
Cisco Catalyst SD-WAN Security Hardening Release - Information Disclosure Vulnerabilities

CVE-2026-20312

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.

No Active Exploit Signals
CVSS Base Score
8.8
HIGH
Exploitability:2.9
Impact Score:5.9
EPSS Probability:0.19%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—

Weaknesses (CWE)

CWE-312 ↗Cleartext Storage of Sensitive Information

Affected Products & Versions

Vendor Product Affected Versions
Cisco Cisco Catalyst SD-WAN Controller 20.6.4 (affected), 20.9.2 (affected), 20.3.6 (affected), 20.7.2 (affected), 20.7.1 (affected), 20.5.1 (affected), 20.6.2 (affected), 19.3.0 (affected), 20.6.1 (affected), 17.2.4 (affected), 18.2.0 (affected), 18.4.6 (affected), 19.1.0 (affected), 19.2.4 (affected), 19.2.929 (affected), 18.3.8 (affected), 18.4.303 (affected), 18.3.7 (affected), 18.4.1 (affected), 19.2.097 (affected), 19.2.0 (affected), 19.2.099 (affected), 18.3.6 (affected), 20.4.2 (affected), 19.0.0 (affected), 20.9.1 (affected), 20.3.5 (affected), 20.3.1 (affected), 18.3.5 (affected), 20.6.3 (affected), 18.4.3 (affected), 18.4.4 (affected), 18.3.3 (affected), 17.2.8 (affected), 20.8.1 (affected), 19.2.32 (affected), 19.2.2 (affected), 17.2.5 (affected), 18.4.0 (affected), 20.4.1.1 (affected), 20.1.3 (affected), 20.1.2 (affected), 17.2.10 (affected), 19.2.098 (affected), 20.1.1 (affected), 17.2.6 (affected), 19.2.1 (affected), 18.3.4 (affected), 20.4.1 (affected), 17.2.9 (affected), 19.2.31 (affected), 19.0.1a (affected), 18.3.0 (affected), 17.2.7 (affected), 18.4.5 (affected), 20.3.4 (affected), 20.3.3 (affected), 20.4.1.2 (affected), 20.3.2 (affected), 18.3.1 (affected), 20.1.12 (affected), 19.2.3 (affected), 20.10.1 (affected), 20.6.5 (affected), 20.3.7 (affected), 20.9.3 (affected), 20.11.1 (affected), 20.6.3.2 (affected), 20.4.2.3 (affected), 20.3.5.1 (affected), 20.3.4.3 (affected), 20.9.3.1 (affected), 20.6.4.1 (affected), 20.3.3.2 (affected), 20.6.5.2 (affected), 20.3.7.1 (affected), 20.11.1.1 (affected), 20.10.1.1 (affected), 20.6.1.2 (affected), 20.1.3.1 (affected), 20.9.2.2 (affected), 20.6.5.3 (affected), 20.6.3.3 (affected), 20.3.7.2 (affected), 20.6.5.4 (affected), 20.9.2.3 (affected), 20.9.4 (affected), 20.12.1 (affected), 20.3.8 (affected), 20.6.6 (affected), 20.12.2 (affected), 20.13.1 (affected), 20.9.5 (affected), 20.12.3 (affected), 20.6.7 (affected), 20.9.5.1 (affected), 20.14.1 (affected), 20.12.3.1 (affected), 20.12.4 (affected), 20.9.6 (affected), 20.6.8 (affected), 20.9.5.3 (affected), 20.12.4.1 (affected), 20.12.5 (affected), 20.9.7 (affected), 20.12.5.1 (affected), 20.12.5.2 (affected), 20.9.7.1 (affected), 20.12.6 (affected), 20.9.8 (affected), 20.12.5.3 (affected), 20.12.6.1 (affected), 20.9.8.2 (affected), 20.12.7 (affected), 20.9.9 (affected), 20.12.5.4 (affected), 20.12.7.1 (affected), 20.12.6.2 (affected), 20.9.9.1 (affected), 20.12.7.2 (affected), 20.9.9.2 (affected), 20.12.8 (affected)
Cisco Cisco Catalyst SD-WAN Manager 20.1.12 (affected), 19.2.1 (affected), 18.4.4 (affected), 18.4.5 (affected), 20.1.1.1 (affected), 20.1.1 (affected), 19.3.0 (affected), 19.2.2 (affected), 19.2.099 (affected), 18.3.6 (affected), 18.3.7 (affected), 19.2.0 (affected), 18.3.8 (affected), 19.0.0 (affected), 19.1.0 (affected), 18.4.302 (affected), 18.4.303 (affected), 19.2.097 (affected), 19.2.098 (affected), 17.2.10 (affected), 18.3.6.1 (affected), 19.0.1a (affected), 18.2.0 (affected), 18.4.3 (affected), 18.4.1 (affected), 17.2.8 (affected), 18.3.3.1 (affected), 18.4.0 (affected), 18.3.1 (affected), 17.2.6 (affected), 17.2.9 (affected), 18.3.4 (affected), 17.2.5 (affected), 18.3.1.1 (affected), 18.3.5 (affected), 18.4.0.1 (affected), 18.3.3 (affected), 17.2.7 (affected), 17.2.4 (affected), 18.3.0 (affected), 19.2.3 (affected), 18.4.501_ES (affected), 20.3.1 (affected), 20.1.2 (affected), 19.2.929 (affected), 19.2.31 (affected), 20.3.2 (affected), 19.2.32 (affected), 20.3.2_925 (affected), 20.3.2.1 (affected), 20.3.2.1_927 (affected), 18.4.6 (affected), 20.1.2_937 (affected), 20.4.1 (affected), 20.3.2_928 (affected), 20.3.2_929 (affected), 20.4.1.0.1 (affected), 20.3.2.1_930 (affected), 19.2.4 (affected), 20.5.0.1.1 (affected), 20.4.1.1 (affected), 20.3.3 (affected), 19.2.4.0.1 (affected), 20.3.2_937 (affected), 20.3.3.1 (affected), 20.5.1 (affected), 20.1.3 (affected), 20.3.3.0.4 (affected), 20.3.3.1.2 (affected), 20.3.3.1.1 (affected), 20.4.1.2 (affected), 20.3.3.0.2 (affected), 20.4.1.1.5 (affected), 20.4.1.0.01 (affected), 20.4.1.0.02 (affected), 20.3.3.1.7 (affected), 20.3.3.1.5 (affected), 20.5.1.0.1 (affected), 20.3.3.1.10 (affected), 20.3.3.0.8 (affected), 20.4.2 (affected), 20.4.2.0.1 (affected), 20.3.4 (affected), 20.3.3.0.14 (affected), 19.2.4.0.8 (affected), 19.2.4.0.9 (affected), 20.3.4.0.1 (affected), 20.3.2.0.5 (affected), 20.6.1 (affected), 20.5.1.0.2 (affected), 20.3.3.0.17 (affected), 20.6.1.1 (affected), 20.6.0.18.3 (affected), 20.3.2.0.6 (affected), 20.6.0.18.4 (affected), 20.4.2.0.2 (affected), 20.3.3.0.16 (affected), 20.3.4.0.5 (affected), 20.6.1.0.1 (affected), 20.3.4.0.6 (affected), 20.6.2 (affected), 20.7.1EFT2 (affected), 20.3.4.0.9 (affected), 20.3.4.0.11 (affected), 20.4.2.0.4 (affected), 20.3.3.0.18 (affected), 20.7.1 (affected), 20.6.2.1 (affected), 20.3.4.1 (affected), 20.5.1.1 (affected), 20.4.2.1 (affected), 20.4.2.1.1 (affected), 20.3.4.1.1 (affected), 20.3.813 (affected), 20.3.4.0.19 (affected), 20.4.2.2.1 (affected), 20.5.1.2 (affected), 20.3.4.2 (affected), 20.3.814 (affected), 20.4.2.2 (affected), 20.6.2.2 (affected), 20.3.4.2.1 (affected), 20.7.1.1 (affected), 20.3.4.1.2 (affected), 20.6.2.2.2 (affected), 20.3.4.0.20 (affected), 20.6.2.2.3 (affected), 20.4.2.2.2 (affected), 20.3.5 (affected), 20.6.2.0.4 (affected), 20.4.2.2.3 (affected), 20.3.4.0.24 (affected), 20.6.2.2.7 (affected), 20.6.3 (affected), 20.3.4.2.2 (affected), 20.4.2.2.4 (affected), 20.7.1.0.2 (affected), 20.8.1 (affected), 20.3.5.0.8 (affected), 20.3.5.0.9 (affected), 20.4.2.2.8 (affected), 20.3.5.0.7 (affected), 20.6.3.0.7 (affected), 20.6.3.0.5 (affected), 20.6.3.0.10 (affected), 20.6.3.0.2 (affected), 20.7.2 (affected), 20.9.1EFT2 (affected), 20.6.3.0.11 (affected), 20.6.3.1 (affected), 20.6.3.0.14 (affected), 20.6.4 (affected), 20.9.1 (affected), 20.6.3.0.19 (affected), 20.6.3.0.18 (affected), 20.3.6 (affected), 20.9.1.1 (affected), 20.6.3.0.23 (affected), 20.6.4.0.4 (affected), 20.6.3.0.25 (affected), 20.6.5 (affected), 20.6.3.0.27 (affected), 20.9.2 (affected), 20.9.2.1 (affected), 20.6.3.0.29 (affected), 20.6.3.0.31 (affected), 20.6.3.0.32 (affected), 20.10.1 (affected), 20.6.3.0.33 (affected), 20.9.2.0.01 (affected), 20.9.1_LI_Images (affected), 20.10.1_LI_Images (affected), 20.9.2_LI_Images (affected), 20.3.7 (affected), 20.9.3 (affected), 20.6.5.1 (affected), 20.11.1 (affected), 20.11.1_LI_Images (affected), 20.9.3_LI_ Images (affected), 20.6.3.1.1 (affected), 20.9.3.0.2 (affected), 20.6.5.1.2 (affected), 20.9.3.0.3 (affected), 20.4.2.3 (affected), 20.6.3.2 (affected), 20.6.4.1 (affected), 20.6.3.0.38 (affected), 20.6.3.0.39 (affected), 20.3.5.1 (affected), 20.3.4.3 (affected), 20.9.3.1 (affected), 20.3.3.2 (affected), 20.6.5.2 (affected), 20.3.7.1 (affected), 20.10.1.1 (affected), 20.6.5.2.1 (affected), 20.3.4.0.25 (affected), 20.6.2.2.4 (affected), 20.6.1.2 (affected), 20.11.1.1 (affected), 20.9.3.0.5 (affected), 20.3.4.0.26 (affected), 20.6.5.1.3 (affected), 20.6.3.0.40 (affected), 20.1.3.1 (affected), 20.9.2.2 (affected), 20.6.5.2.3 (affected), 20.6.5.1.4 (affected), 20.6.5.3 (affected), 20.6.3.0.41 (affected), 20.9.3.0.7 (affected), 20.6.5.1.5 (affected), 20.9.3.0.4 (affected), 20.6.4.0.19 (affected), 20.6.5.1.6 (affected), 20.9.3.0.8 (affected), 20.6.3.3 (affected), 20.3.7.2 (affected), 20.6.5.4 (affected), 20.6.5.1.7 (affected), 20.9.3.0.12 (affected), 20.6.4.2 (affected), 20.6.5.5 (affected), 20.9.3.2 (affected), 20.11.1.2 (affected), 20.6.3.4 (affected), 20.10.1.2 (affected), 20.6.5.1.9 (affected), 20.9.3.0.16 (affected), 20.6.3.0.45 (affected), 20.6.5.1.10 (affected), 20.9.3.0.17 (affected), 20.6.5.2.4 (affected), 20.6.4.0.21 (affected), 20.9.3.0.18 (affected), 20.6.3.0.46 (affected), 20.6.3.0.47 (affected), 20.9.2.3 (affected), 20.9.3.2_LI_Images (affected), 20.9.3.0.21 (affected), 20.9.3.0.20 (affected), 20.9.4_LI_Images (affected), 20.9.4 (affected), 20.6.5.1.11 (affected), 20.12.1 (affected), 20.12.1_LI_Images (affected), 20.6.5.1.13 (affected), 20.9.3.0.23 (affected), 20.6.5.2.8 (affected), 20.9.4.1 (affected), 20.9.4.1_LI_Images (affected), 20.9.3.0.25 (affected), 20.9.3.0.24 (affected), 20.6.5.1.14 (affected), 20.3.8 (affected), 20.6.6 (affected), 20.9.3.0.26 (affected), 20.6.3.0.51 (affected), 20.9.3.0.29 (affected), 20.12.2 (affected), 20.12.2_LI_Images (affected), 20.6.6.0.1 (affected), 20.13.1_LI_Images (affected), 20.9.4.0.4 (affected), 20.13.1 (affected), 20.9.4.1.1 (affected), 20.9.5 (affected), 20.9.5_LI_Images (affected), 20.12.3_LI_Images (affected), 20.12.3 (affected), 20.9.4.1.3 (affected), 20.6.7 (affected), 20.9.5.1 (affected), 20.9.5.1_LI_Images (affected), 20.9.4.1.6 (affected), 20.14.1 (affected), 20.14.1_LI_Images (affected), 20.9.5.2 (affected), 20.9.5.2.1 (affected), 20.9.5.2_LI_Images (affected), 20.12.3.1 (affected), 20.12.4 (affected), 20.9.5.1.4 (affected), 20.9.5.2.7 (affected), 20.9.5.2.13 (affected), 20.9.6 (affected), 20.9.6_LI_Images (affected), 20.9.5.2.14 (affected), 20.6.8 (affected), 20.12.4.0.03 (affected), 20.12.4_LI_Images (affected), 20.9.5.2.16 (affected), 20.12.4.0.4 (affected), 20.12.401 (affected), 20.9.5.3 (affected), 20.9.5.3_LI_Images (affected), 20.12.4.1_LI_Images (affected), 20.12.4.1 (affected), 20.9.5.2.21 (affected), 20.9.6.0.3 (affected), 20.12.4.0.6 (affected), 20.12.4_Monthly_ES5 (affected), 20.12.5 (affected), 20.12.5_LI_Images (affected), 20.9.7_LI _Images (affected), 20.9.7 (affected), 20.12.501 (affected), 20.12.5.1_LI_Images (affected), 20.12.5.1 (affected), 20.12.5.2_LI_Images (affected), 20.12.5.2 (affected), 20.9.7.1_LI _Images (affected), 20.9.7.1 (affected), 20.12.6_LI_Images (affected), 20.12.6 (affected), 20.12.5.1.01 (affected), 20.9.8 (affected), 20.9.8_LI_Images (affected), 20.12.6.1 (affected), 20.12.6.1_LI_Images (affected), 20.12.5.3 (affected), 20.12.5.3_LI_Images (affected), 20.9.8.2_LI_Images (affected), 20.9.8.2 (affected), 20.12.7 (affected), 20.12.7_LI_Images (affected), 20.9.9 (affected), 20.9.9_LI_Images (affected), 20.12.5.4 (affected), 20.12.5.4_LI_ Images (affected), 20.12.7.1_LI_Images (affected), 20.12.6.2_LI_Images (affected), 20.12.7.1 (affected), 20.12.6.2 (affected), 20.9.9.1_LI_Images (affected), 20.9.9.1 (affected), 20.12.7.2_LI_Images (affected), 20.12.7.2 (affected), 20.9.9.2 (affected), 20.9.9.2_LI_Images (affected), 20.12.8 (affected), 20.12.8_LI_Images (affected)

References & Technical Advisories

NVD Listing ↗ MITRE Listing ↗ GitHub Advisory ↗
No reference links found.

Threat Intelligence Signals

EPSS Score
0.187%
GitHub Advisory
GHSA-5gw4-ww4c-vqvv ↗

Identity & Timeline

StatusPUBLISHED
Assigning AuthorityCisco Systems, Inc. · Hosted Service · USA
Reserved2025-10-08T11:59:15
Published2026-08-05T16:31:04
Last Updated2026-08-14T21:00:51

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