As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Adaptive Security Appliance Software, Cisco Secure Firewall Threat Defense Software and Cisco Secure Firewall Management Center Software engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities.
The vulnerabilities tracked by CVE-2026-20329 are related to issues concerning improper handling of exceptional conditions that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-703.
The vulnerabilities tracked by CVE-2026-20329 are related to issues concerning improper handling of exceptional conditions that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-703.
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
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| Cisco | Cisco Secure Firewall Adaptive Security Appliance (ASA) Software | unknown |
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| Cisco | Cisco Secure Firewall Management Center (FMC) | unknown |
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| Cisco | Cisco Secure Firewall Threat Defense (FTD) Software | unknown |
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No data.
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OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.
| Vendors | Products |
|---|---|
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Cisco
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Advisories
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Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Sat, 19 Sep 2026 23:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Cisco
Cisco adaptive Security Appliance Software Cisco secure Firewall Management Center Cisco secure Firewall Threat Defense |
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| Vendors & Products |
Cisco
Cisco adaptive Security Appliance Software Cisco secure Firewall Management Center Cisco secure Firewall Threat Defense |
Thu, 17 Sep 2026 16:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Wed, 16 Sep 2026 20:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Adaptive Security Appliance Software, Cisco Secure Firewall Threat Defense Software and Cisco Secure Firewall Management Center Software engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-20329 are related to issues concerning improper handling of exceptional conditions that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-703. | |
| Title | Cisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software and Secure Firewall Management Center Software Hardening Release - Exceptional Conditions Handling Vulnerabilities | |
| Weaknesses | CWE-703 | |
| References |
| |
| Metrics |
cvssV3_1
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Projects
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MITRE
Status: PUBLISHED
Assigner: cisco
Published:
Updated: 2026-09-18T19:09:48.774Z
Reserved: 2025-10-08T11:59:15.412Z
Link: CVE-2026-20329
Vulnrichment
Updated: 2026-09-17T14:59:15.399Z
NVD
Status : Awaiting Analysis
Published: 2026-09-16T20:17:23.600
Modified: 2026-09-18T20:17:13.133
Link: CVE-2026-20329
Redhat
No data.
OpenCVE Enrichment
Updated: 2026-09-19T22:36:50Z
Weaknesses