CVE-2026-20154
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2026
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
Cisco Secure Firewall Adaptive Security Appliance Software and Secure Firewall Threat Defense Software Logging Denial of Service
A vulnerability in the system rate-limiting process for syslog message 419002 of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause high CPU utilization on an affected device, resulting in a denial of service (DoS) condition. This vulnerability is due to improper rate limiting for syslog message 419002. An attacker could exploit this vulnerability by sending a flood of TCP synchronization (SYN) packets to an affected device. A successful exploit could allow the attacker to cause high CPU utilization, resulting in performance degradation.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software
- Vendor
- Cisco
- Product
- Cisco Secure Firewall Adaptive Security Appliance (ASA) Software
- Platforms
- Unknown
- Default status
unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 9.16.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.16.1.28 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.16.2 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.16.2.3 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.16.2.7 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.16.2.11 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.16.2.13 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.16.2.14 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.16.3.3 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.16.3 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.16.3.14 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.18.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.16.3.15 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.18.1.3 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.18.2 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.16.3.19 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.16.3.23 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.18.2.5 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.16.4 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.18.2.7 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.19.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.16.4.9 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.18.2.8 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.16.4.14 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.18.3 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.19.1.5 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.16.4.18 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.19.1.9 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.18.3.39 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.16.4.19 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.19.1.12 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.18.3.46 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.16.4.27 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.19.1.18 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.18.3.53 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.18.3.55 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.16.4.38 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.16.4.39 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.18.3.56 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.20.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.16.4.42 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.19.1.22 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.18.4 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.20.1.5 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.18.4.5 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.19.1.24 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.16.4.48 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.18.4.8 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.20.2 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.19.1.27 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.16.4.55 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.18.4.22 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.20.2.10 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.16.4.57 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.19.1.28 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.18.4.24 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.20.2.21 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.16.4.61 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.19.1.31 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.18.4.29 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.20.2.22 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.16.4.62 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.18.4.34 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.20.3 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.16.4.67 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.16.4.70 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.18.4.40 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.23.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.22.1.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.16.4.71 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.20.3.4 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.18.4.47 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.20.3.7 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.19.1.37 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.16.4.76 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.20.3.9 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.19.1.38 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.18.4.50 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.22.1.3 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.20.3.10 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.22.1.2 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.18.4.52 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.20.3.13 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.22.1.6 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.18.4.53 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.16.4.82 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.22.2 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.20.3.16 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.19.1.42 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.18.4.57 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.16.4.84 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.23.1.3 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.20.3.20 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.22.2.4 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.23.1.7 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.20.4 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.22.2.9 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.23.1.13 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.20.4.7 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.22.2.13 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.18.4.66 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.20.4.10 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.23.1.19 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.16.4.85 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.22.2.14 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.18.4.67 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.18.4.68 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.23.1.22 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.20.4.14 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.22.2.20 | affected | Unavailable | Unavailable | Unavailable | None listed |
Cisco Secure Firewall Threat Defense (FTD) Software
- Vendor
- Cisco
- Product
- Cisco Secure Firewall Threat Defense (FTD) Software
- Platforms
- Unknown
- Default status
unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 7.0.0 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.0.0.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.0.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.0.1.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.0.2 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.2.0 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.0.2.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.0.3 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.2.0.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.0.4 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.2.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.0.5 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.3.0 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.2.2 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.2.3 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.3.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.2.4 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.0.6 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.2.5 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.2.4.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.3.1.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.4.0 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.0.6.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.2.5.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.4.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.2.6 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.0.6.2 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.4.1.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.2.7 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.2.5.2 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.3.1.2 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.2.8 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.6.0 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.4.2 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.2.8.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.0.6.3 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.4.2.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.2.9 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.0.7 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.7.0 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.4.2.2 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.2.10 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.6.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.4.2.3 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.0.8 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.6.2 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.7.10 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.7.11 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.0.8.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.6.2.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.7.10.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.4.2.4 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.2.10.2 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.4.3 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.6.4 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.4.4 | affected | Unavailable | Unavailable | Unavailable | None listed |