CVE-2026-20334: Cisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software and Secure Firewall Management Center Software Hardening Release - Coding Standards Vulnerabilities
Cisco · Cisco Secure Firewall Adaptive Security Appliance (ASA) Software
Affected: Cisco Secure Firewall Adaptive Security Appliance (ASA) Software · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 33% of scored CVEs
DescriptionCVE.org
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-2026-20334 are related to issues concerning improper adherence to coding standards that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-710.
Affected products3
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- Cisco · Cisco Secure Firewall Adaptive Security Appliance (ASA) Software9.16.1; 9.16.1.28; 9.16.2; 9.16.2.3; 9.16.2.7; 9.16.2.11 and 115 more
- Cisco · Cisco Secure Firewall Management Center (FMC)7.0.0; 7.0.0.1; 7.0.1; 7.0.1.1; 7.0.2; 7.2.0 and 62 more
- Cisco · Cisco Secure Firewall Threat Defense (FTD) Software7.0.0.1; 7.0.1; 7.0.1.1; 7.0.2; 7.0.2.1; 7.0.3 and 35 more
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- Cisco
- Published
- September 2026
CoverageNo articles yet
No CyberSIXT article names CVE-2026-20334 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.