CVE-2026-20330

CVE CVE-2026-20330EUVD EUVD-2026-81097Published 2026-09-16T20:03:09.000ZLast changed 2026-09-18T19:09:17.000ZCVSS 9.9

What the advisory describes

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-2026-20330 are related to improper neutralization issues that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-707.

Source: EUVD (ENISA), in the words of the advisory.

Products the advisory names

These come from the advisory itself, not from any check we performed.

• Cisco — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.18.4.47; 9.18.4.82; 9.18.1.3; 9.16.4.27; 9.23.1.26; 9.20.2.22; 9.16.2.11; 9.18.3.46; 9.22.2.9; 9.20.3.4; 9.16.2.13; 9.18.4.34; 9.23.1.13; 9.16.4.57; 9.16.2.14; 9.18.4.67; 9.16.4.61; 9.20.3.10; 9.16.4.84; 9.18.2.7; 9.20.4.235; 9.16.4.82; 9.20.3.16; 9.16.2; 9.18.4.57; 9.20.4.7; 9.16.3.23; 9.18.3; 9.24.10; 9.16.4.14; 9.18.4.8; 9.22.2.4; 9.20.4.10; 9.16.4.89; 9.23.1.3; 9.20.4.34; 9.16.4.19; 9.18.4.71; 9.22.2.32; 9.16.3.14; 9.20.3; 9.22.2; 9.16.1; 9.20.4.22; 9.18.4.24; 9.16.4.9; 9.20.4.14; 9.16.3.3; 9.18.3.56; 9.20.2.21; 9.16.4.62; 9.16.4; 9.20.1; 9.18.2.8; 9.16.4.39; 9.16.4.70; 9.23.1.22; 9.16.4.48; 9.23.1.19; 9.19.1.42; 9.16.4.42; 9.18.4; 9.16.4.71; 9.16.3.15; 9.23.1; 9.22.3; 9.18.3.53; 9.18.4.52; 9.18.3.55; 9.18.4.66; 9.24.1.11; 9.20.3.9; 9.20.3.13; 9.20.4.19; 9.24.1.155; 9.22.1.1; 9.18.4.135; 9.22.2.13; 9.22.1.2; 9.18.4.29; 9.16.3.19; 9.24.1.9; 9.20.3.7; 9.20.2; 9.16.2.3; 9.18.3.39; 9.18.2.5; 9.16.4.18; 9.24.1; 9.23.1.195; 9.16.4.55; 9.20.2.10; 9.16.4.67; 9.22.3.5; 9.20.4.30; 9.16.1.28; 9.22.1.6; 9.16.4.76; 9.23.1.7; 9.16.3; 9.18.4.50; 9.16.4.85; 9.22.2.14; 9.18.4.68; 9.18.4.76; 9.18.4.22; 9.16.4.38; 9.24.1.5; 9.16.2.7; 9.18.4.5; 9.18.4.40; 9.20.4.28; 9.22.2.20; 9.20.4; 9.23.1.32; 9.18.4.53; 9.16.4.92; 9.20.3.20; 9.18.2; 9.22.1.3; 9.20.1.5
• Cisco — Cisco Secure Firewall Management Center (FMC) 7.0.1; 7.2.8; 7.4.1; 7.0.2.1; 7.2.11; 7.3.1.2; 7.0.2; 7.3.1; 7.0.1.1; 7.6.4; 7.0.3; 7.0.5; 7.3.0; 7.4.6; 7.2.6; 7.4.3; 7.7.10.1; 7.6.3; 7.2.1; 7.0.4; 7.2.3.1; 7.4.1.1; 10.0.1; 7.0.7; 10.0.0; 7.0.6.1; 7.6.0; 7.0.8; 7.3.1.1; 7.2.4; 7.7.0; 7.2.5.1; 7.2.5.2; 7.0.0.1; 7.6.1; 7.4.2; 7.0.8.1; 7.4.2.3; 7.6.2.1; 7.6.2; 7.2.4.1; 7.2.9; 7.2.2; 7.4.2.4; 7.0.6.3; 7.2.5; 7.4.5; 7.7.12; 7.2.8.1; 7.0.9; 7.2.3; 7.4.4; 7.0.6; 7.7.10; 7.2.0.1; 7.0.0; 7.2.0; 7.2.10.1; 7.2.7; 7.6.5; 7.4.7; 7.2.10; 7.2.10.2; 7.4.2.2; 7.7.11; 7.4.0; 7.4.2.1; 7.0.6.2
• Cisco — Cisco Secure Firewall Threat Defense (FTD) Software 7.4.2.3; 7.4.2; 7.0.2; 7.0.8.1; 7.6.2.1; 7.0.9; 7.6.1; 7.4.3; 7.3.1.1; 7.4.1; 7.0.6; 7.0.1; 7.3.1; 7.7.11; 7.4.2.1; 7.3.0; 7.0.5; 7.4.7; 7.0.2.1; 7.3.1.2; 7.6.2; 7.4.1.1; 7.7.0; 7.4.2.2; 7.0.0.1; 7.4.2.4; 7.0.7; 7.7.10; 7.6.0; 7.0.3; 7.0.1.1; 7.4.4; 7.0.8; 7.0.6.3; 7.0.6.1; 7.7.10.1; 7.0.6.2; 7.4.0; 7.6.4; 7.0.4; 10.0.0

The versions shown are the advisory's own. Patchlage compares no version numbers and derives no judgement from them — which version is installed is something a person has to look up.

Carried in the product catalogue

An estate covering these products can be recorded in Patchlage. An advisory about them appears in the next morning's situation report.

• Cisco — Secure Firewall Adaptive Security Appliance (ASA) Software
• Cisco — Secure Firewall Management Center (FMC)
• Cisco — Secure Firewall Threat Defense (FTD) Software

Patchlage reports hits and suspected hits. About everything else this system says nothing — neither this page nor the situation report ever claims that an estate is safe.