CVE-2026-20333
Cisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software and Secure Firewall Management Center Software Hardening Release - Incorrect Comparison Vulnerabilities
- Published
- Updated
- Reserved
- Assigned by
- cisco
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-2026-20333 are related to incorrect comparison conditions that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-697.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| ciscoCNA (assigner) | 3.1 | High8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Awaiting Analysis | 3.1 | High8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.46% · top 60% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.
Weakness
Affected products
Cisco · Cisco Secure Firewall Adaptive Security Appliance (ASA) Software
- affected 9.16.1
- affected 9.16.1.28
- affected 9.16.2
- affected 9.16.2.3
- affected 9.16.2.7
- affected 9.16.2.11
- affected 9.16.2.13
- affected 9.16.2.14
- affected 9.16.3.3
- affected 9.16.3
- affected 9.16.3.14
- affected 9.16.3.15
- affected 9.18.1.3
- affected 9.18.2
- affected 9.16.3.19
- affected 9.16.3.23
- affected 9.18.2.5
- affected 9.16.4
- affected 9.18.2.7
- affected 9.16.4.9
- affected 9.18.2.8
- affected 9.16.4.14
- affected 9.18.3
- affected 9.16.4.18
- affected 9.18.3.39
- affected 9.16.4.19
- affected 9.18.3.46
- affected 9.16.4.27
- affected 9.18.3.53
- affected 9.18.3.55
- affected 9.16.4.38
- affected 9.16.4.39
- affected 9.18.3.56
- affected 9.20.1
- affected 9.16.4.42
- affected 9.18.4
- affected 9.20.1.5
- affected 9.18.4.5
- affected 9.16.4.48
- affected 9.18.4.8
- and 81 more
Cisco · Cisco Secure Firewall Management Center (FMC)
- affected 7.0.0
- affected 7.0.0.1
- affected 7.0.1
- affected 7.0.1.1
- affected 7.0.2
- affected 7.2.0
- affected 7.0.2.1
- affected 7.0.3
- affected 7.2.0.1
- affected 7.0.4
- affected 7.2.1
- affected 7.0.5
- affected 7.3.0
- affected 7.2.2
- affected 7.3.1
- affected 7.2.3
- affected 7.2.3.1
- affected 7.2.4
- affected 7.0.6
- affected 7.2.4.1
- affected 7.2.5
- affected 7.3.1.1
- affected 7.4.0
- affected 7.0.6.1
- affected 7.2.5.1
- affected 7.4.1
- affected 7.2.6
- affected 7.4.1.1
- affected 7.0.6.2
- affected 7.2.7
- affected 7.2.5.2
- affected 7.3.1.2
- affected 7.2.8
- affected 7.6.0
- affected 7.4.2
- affected 7.2.8.1
- affected 7.0.6.3
- affected 7.4.2.1
- affected 7.2.9
- affected 7.0.7
- and 28 more
Cisco · Cisco Secure Firewall Threat Defense (FTD) Software
- affected 7.0.0.1
- affected 7.0.1
- affected 7.0.1.1
- affected 7.0.2
- affected 7.0.2.1
- affected 7.0.3
- affected 7.0.4
- affected 7.0.5
- affected 7.3.0
- affected 7.3.1
- affected 7.0.6
- affected 7.3.1.1
- affected 7.4.0
- affected 7.0.6.1
- affected 7.4.1
- affected 7.0.6.2
- affected 7.4.1.1
- affected 7.3.1.2
- affected 7.6.0
- affected 7.4.2
- affected 7.0.6.3
- affected 7.4.2.1
- affected 7.0.7
- affected 7.7.0
- affected 7.4.2.2
- affected 7.6.1
- affected 7.4.2.3
- affected 7.0.8
- affected 7.6.2
- affected 7.7.10
- affected 7.7.11
- affected 7.0.8.1
- affected 7.6.2.1
- affected 7.7.10.1
- affected 7.4.2.4
- affected 7.4.3
- affected 7.6.4
- affected 10.0.0
- affected 7.4.4
- affected 7.0.9
- and 1 more
What to do
Exploitation: Except as otherwise noted previously, the Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory.
References (1)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2026-20333)Record last updated .