Answer in brief
CVE-2024-20353 records a High severity vulnerability in CISA ADP Vulnrichment. The current sources mark it as known exploited. The current feed maps cisco/asa (generic), cisco/asa (generic), cisco/asa (generic), cisco/asa (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. Known-exploitation status makes exposure review time-sensitive. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps cisco/asa (generic), cisco/asa (generic), cisco/asa (generic), cisco/asa (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| cisco/asageneric | 9.8.1 | Not reported |
| cisco/asageneric | 9.12.1 | Not reported |
| cisco/asageneric | >=9.14.1 <9.14.4.23 | 9.14.4.23 |
| cisco/asageneric | 9.15.1 | Not reported |
| cisco/asageneric | 9.16.1 | Not reported |
| cisco/asageneric | 9.17.1 | Not reported |
| cisco/asageneric | 9.18.1 | Not reported |
| cisco/asageneric | 9.19.1 | Not reported |
| cisco/asageneric | 9.20.1 | Not reported |
| Cisco/Cisco Adaptive Security Appliance (ASA) Softwaregeneric | 9.8.1 || 9.8.1.5 || 9.8.1.7 || 9.8.2 || 9.8.2.8 || 9.8.2.14 || 9.8.2.15 || 9.8.2.17 || 9.8.2.20 || 9.8.2.24 || 9.8.2.26 || 9.8.2.28 || 9.8.2.33 || 9.8.2.35 || 9.8.2.38 || 9.8.3.8 || 9.8.3.11 || 9.8.3.14 || 9.8.3.16 || 9.8.3.18 || 9.8.3.21 || 9.8.3 || 9.8.3.26 || 9.8.3.29 || 9.8.4 || 9.8.4.3 || 9.8.4.7 || 9.8.4.8 || 9.8.4.10 || 9.8.4.12 || 9.8.4.15 || 9.8.4.17 || 9.8.4.25 || 9.8.4.20 || 9.8.4.22 || 9.8.4.26 || 9.8.4.29 || 9.8.4.32 || 9.8.4.33 || 9.8.4.34 || 9.8.4.35 || 9.8.4.39 || 9.8.4.40 || 9.8.4.41 || 9.8.4.43 || 9.8.4.44 || 9.8.4.45 || 9.8.4.46 || 9.8.4.48 || 9.12.1 || 9.12.1.2 || 9.12.1.3 || 9.12.2 || 9.12.2.4 || 9.12.2.5 || 9.12.2.9 || 9.12.3 || 9.12.3.2 || 9.12.3.7 || 9.12.4 || 9.12.3.12 || 9.12.3.9 || 9.12.2.1 || 9.12.4.2 || 9.12.4.4 || 9.12.4.7 || 9.12.4.10 || 9.12.4.13 || 9.12.4.8 || 9.12.4.18 || 9.12.4.24 || 9.12.4.26 || 9.12.4.29 || 9.12.4.30 || 9.12.4.35 || 9.12.4.37 || 9.12.4.38 || 9.12.4.39 || 9.12.4.40 || 9.12.4.41 || 9.12.4.47 || 9.12.4.48 || 9.12.4.50 || 9.12.4.52 || 9.12.4.54 || 9.12.4.55 || 9.12.4.56 || 9.12.4.58 || 9.12.4.62 || 9.12.4.65 || 9.14.1 || 9.14.1.10 || 9.14.1.6 || 9.14.1.15 || 9.14.1.19 || 9.14.1.30 || 9.14.2 || 9.14.2.4 || 9.14.2.8 || 9.14.2.13 || 9.14.2.15 || 9.14.3 || 9.14.3.1 || 9.14.3.9 || 9.14.3.11 || 9.14.3.13 || 9.14.3.18 || 9.14.3.15 || 9.14.4 || 9.14.4.6 || 9.14.4.7 || 9.14.4.12 || 9.14.4.13 || 9.14.4.14 || 9.14.4.15 || 9.14.4.17 || 9.14.4.22 || 9.14.4.23 || 9.15.1 || 9.15.1.7 || 9.15.1.10 || 9.15.1.15 || 9.15.1.16 || 9.15.1.17 || 9.15.1.1 || 9.15.1.21 || 9.16.1 || 9.16.1.28 || 9.16.2 || 9.16.2.3 || 9.16.2.7 || 9.16.2.11 || 9.16.2.13 || 9.16.2.14 || 9.16.3 || 9.16.3.3 || 9.16.3.14 || 9.16.3.15 || 9.16.3.19 || 9.16.3.23 || 9.16.4 || 9.16.4.9 || 9.16.4.14 || 9.16.4.18 || 9.16.4.19 || 9.16.4.27 || 9.16.4.38 || 9.16.4.39 || 9.16.4.42 || 9.16.4.48 || 9.16.4.55 || 9.17.1 || 9.17.1.7 || 9.17.1.9 || 9.17.1.10 || 9.17.1.11 || 9.17.1.13 || 9.17.1.15 || 9.17.1.20 || 9.17.1.30 || 9.17.1.33 || 9.18.1 || 9.18.1.3 || 9.18.2 || 9.18.2.5 || 9.18.2.7 || 9.18.2.8 || 9.18.3 || 9.18.3.39 || 9.18.3.46 || 9.18.3.53 || 9.18.3.55 || 9.18.3.56 || 9.18.4 || 9.18.4.5 || 9.18.4.8 || 9.19.1 || 9.19.1.5 || 9.19.1.9 || 9.19.1.12 || 9.19.1.18 || 9.19.1.22 || 9.19.1.24 || 9.19.1.27 || 9.20.1 || 9.20.1.5 || 9.20.2 | Not reported |
| Cisco/Cisco Firepower Threat Defense Softwaregeneric | 6.2.3 || 6.2.3.1 || 6.2.3.2 || 6.2.3.3 || 6.2.3.4 || 6.2.3.5 || 6.2.3.6 || 6.2.3.7 || 6.2.3.8 || 6.2.3.10 || 6.2.3.11 || 6.2.3.9 || 6.2.3.12 || 6.2.3.13 || 6.2.3.14 || 6.2.3.15 || 6.2.3.16 || 6.2.3.17 || 6.2.3.18 || 6.6.0 || 6.6.0.1 || 6.6.1 || 6.6.3 || 6.6.4 || 6.6.5 || 6.6.5.1 || 6.6.5.2 || 6.6.7 || 6.6.7.1 || 6.4.0 || 6.4.0.1 || 6.4.0.3 || 6.4.0.2 || 6.4.0.4 || 6.4.0.5 || 6.4.0.6 || 6.4.0.7 || 6.4.0.8 || 6.4.0.9 || 6.4.0.10 || 6.4.0.11 || 6.4.0.12 || 6.4.0.13 || 6.4.0.14 || 6.4.0.15 || 6.4.0.16 || 6.4.0.17 || 6.7.0 || 6.7.0.1 || 6.7.0.2 || 6.7.0.3 || 7.0.0 || 7.0.0.1 || 7.0.1 || 7.0.1.1 || 7.0.2 || 7.0.2.1 || 7.0.3 || 7.0.4 || 7.0.5 || 7.0.6 || 7.0.6.1 || 7.1.0 || 7.1.0.1 || 7.1.0.2 || 7.1.0.3 || 7.2.0 || 7.2.0.1 || 7.2.1 || 7.2.2 || 7.2.3 || 7.2.4 || 7.2.4.1 || 7.2.5 || 7.2.5.1 || 7.3.0 || 7.3.1 || 7.3.1.1 || 7.4.0 || 7.4.1 | Not reported |
| cisco/firepower_threat_defense_softwaregeneric | 6.2.3 | Not reported |
| cisco/firepower_threat_defense_softwaregeneric | 6.6.0 | Not reported |
| cisco/firepower_threat_defense_softwaregeneric | 6.4.0 | Not reported |
| cisco/firepower_threat_defense_softwaregeneric | 6.7.0 | Not reported |
| cisco/firepower_threat_defense_softwaregeneric | 7.0.0 | Not reported |
| cisco/firepower_threat_defense_softwaregeneric | 7.1.0 | Not reported |
| cisco/firepower_threat_defense_softwaregeneric | 7.2.0 | Not reported |
| cisco/firepower_threat_defense_softwaregeneric | 7.3.0 | Not reported |
| cisco/firepower_threat_defense_softwaregeneric | 7.4.0 | Not reported |
Published upstream
Apr 24, 2024
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 21, 2025
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
May 24, 2026
Added to CISA KEV
Apr 24, 2024
Evidence: source:kev:kev:kev:recordA vulnerability in the management and VPN web servers for Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a denial of service (DoS) condition. This vulnerability is due to incomplete error checking when parsing an HTTP header. An attacker could exploit this vulnerability by sending a crafted HTTP request to a targeted web server on a device. A successful exploit could allow the attacker to cause a DoS condition when the device reloads.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2024-20353 records a High severity vulnerability in CISA ADP Vulnrichment. The current sources mark it as known exploited. The current feed maps cisco/asa (generic), cisco/asa (generic), cisco/asa (generic), cisco/asa (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. Known-exploitation status makes exposure review time-sensitive. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps cisco/asa (generic), cisco/asa (generic), cisco/asa (generic), cisco/asa (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| cisco/asageneric | 9.8.1 | Not reported |
| cisco/asageneric | 9.12.1 | Not reported |
| cisco/asageneric | >=9.14.1 <9.14.4.23 | 9.14.4.23 |
| cisco/asageneric | 9.15.1 | Not reported |
| cisco/asageneric | 9.16.1 | Not reported |
| cisco/asageneric | 9.17.1 | Not reported |
| cisco/asageneric | 9.18.1 | Not reported |
| cisco/asageneric | 9.19.1 | Not reported |
| cisco/asageneric | 9.20.1 | Not reported |
| Cisco/Cisco Adaptive Security Appliance (ASA) Softwaregeneric | 9.8.1 || 9.8.1.5 || 9.8.1.7 || 9.8.2 || 9.8.2.8 || 9.8.2.14 || 9.8.2.15 || 9.8.2.17 || 9.8.2.20 || 9.8.2.24 || 9.8.2.26 || 9.8.2.28 || 9.8.2.33 || 9.8.2.35 || 9.8.2.38 || 9.8.3.8 || 9.8.3.11 || 9.8.3.14 || 9.8.3.16 || 9.8.3.18 || 9.8.3.21 || 9.8.3 || 9.8.3.26 || 9.8.3.29 || 9.8.4 || 9.8.4.3 || 9.8.4.7 || 9.8.4.8 || 9.8.4.10 || 9.8.4.12 || 9.8.4.15 || 9.8.4.17 || 9.8.4.25 || 9.8.4.20 || 9.8.4.22 || 9.8.4.26 || 9.8.4.29 || 9.8.4.32 || 9.8.4.33 || 9.8.4.34 || 9.8.4.35 || 9.8.4.39 || 9.8.4.40 || 9.8.4.41 || 9.8.4.43 || 9.8.4.44 || 9.8.4.45 || 9.8.4.46 || 9.8.4.48 || 9.12.1 || 9.12.1.2 || 9.12.1.3 || 9.12.2 || 9.12.2.4 || 9.12.2.5 || 9.12.2.9 || 9.12.3 || 9.12.3.2 || 9.12.3.7 || 9.12.4 || 9.12.3.12 || 9.12.3.9 || 9.12.2.1 || 9.12.4.2 || 9.12.4.4 || 9.12.4.7 || 9.12.4.10 || 9.12.4.13 || 9.12.4.8 || 9.12.4.18 || 9.12.4.24 || 9.12.4.26 || 9.12.4.29 || 9.12.4.30 || 9.12.4.35 || 9.12.4.37 || 9.12.4.38 || 9.12.4.39 || 9.12.4.40 || 9.12.4.41 || 9.12.4.47 || 9.12.4.48 || 9.12.4.50 || 9.12.4.52 || 9.12.4.54 || 9.12.4.55 || 9.12.4.56 || 9.12.4.58 || 9.12.4.62 || 9.12.4.65 || 9.14.1 || 9.14.1.10 || 9.14.1.6 || 9.14.1.15 || 9.14.1.19 || 9.14.1.30 || 9.14.2 || 9.14.2.4 || 9.14.2.8 || 9.14.2.13 || 9.14.2.15 || 9.14.3 || 9.14.3.1 || 9.14.3.9 || 9.14.3.11 || 9.14.3.13 || 9.14.3.18 || 9.14.3.15 || 9.14.4 || 9.14.4.6 || 9.14.4.7 || 9.14.4.12 || 9.14.4.13 || 9.14.4.14 || 9.14.4.15 || 9.14.4.17 || 9.14.4.22 || 9.14.4.23 || 9.15.1 || 9.15.1.7 || 9.15.1.10 || 9.15.1.15 || 9.15.1.16 || 9.15.1.17 || 9.15.1.1 || 9.15.1.21 || 9.16.1 || 9.16.1.28 || 9.16.2 || 9.16.2.3 || 9.16.2.7 || 9.16.2.11 || 9.16.2.13 || 9.16.2.14 || 9.16.3 || 9.16.3.3 || 9.16.3.14 || 9.16.3.15 || 9.16.3.19 || 9.16.3.23 || 9.16.4 || 9.16.4.9 || 9.16.4.14 || 9.16.4.18 || 9.16.4.19 || 9.16.4.27 || 9.16.4.38 || 9.16.4.39 || 9.16.4.42 || 9.16.4.48 || 9.16.4.55 || 9.17.1 || 9.17.1.7 || 9.17.1.9 || 9.17.1.10 || 9.17.1.11 || 9.17.1.13 || 9.17.1.15 || 9.17.1.20 || 9.17.1.30 || 9.17.1.33 || 9.18.1 || 9.18.1.3 || 9.18.2 || 9.18.2.5 || 9.18.2.7 || 9.18.2.8 || 9.18.3 || 9.18.3.39 || 9.18.3.46 || 9.18.3.53 || 9.18.3.55 || 9.18.3.56 || 9.18.4 || 9.18.4.5 || 9.18.4.8 || 9.19.1 || 9.19.1.5 || 9.19.1.9 || 9.19.1.12 || 9.19.1.18 || 9.19.1.22 || 9.19.1.24 || 9.19.1.27 || 9.20.1 || 9.20.1.5 || 9.20.2 | Not reported |
| Cisco/Cisco Firepower Threat Defense Softwaregeneric | 6.2.3 || 6.2.3.1 || 6.2.3.2 || 6.2.3.3 || 6.2.3.4 || 6.2.3.5 || 6.2.3.6 || 6.2.3.7 || 6.2.3.8 || 6.2.3.10 || 6.2.3.11 || 6.2.3.9 || 6.2.3.12 || 6.2.3.13 || 6.2.3.14 || 6.2.3.15 || 6.2.3.16 || 6.2.3.17 || 6.2.3.18 || 6.6.0 || 6.6.0.1 || 6.6.1 || 6.6.3 || 6.6.4 || 6.6.5 || 6.6.5.1 || 6.6.5.2 || 6.6.7 || 6.6.7.1 || 6.4.0 || 6.4.0.1 || 6.4.0.3 || 6.4.0.2 || 6.4.0.4 || 6.4.0.5 || 6.4.0.6 || 6.4.0.7 || 6.4.0.8 || 6.4.0.9 || 6.4.0.10 || 6.4.0.11 || 6.4.0.12 || 6.4.0.13 || 6.4.0.14 || 6.4.0.15 || 6.4.0.16 || 6.4.0.17 || 6.7.0 || 6.7.0.1 || 6.7.0.2 || 6.7.0.3 || 7.0.0 || 7.0.0.1 || 7.0.1 || 7.0.1.1 || 7.0.2 || 7.0.2.1 || 7.0.3 || 7.0.4 || 7.0.5 || 7.0.6 || 7.0.6.1 || 7.1.0 || 7.1.0.1 || 7.1.0.2 || 7.1.0.3 || 7.2.0 || 7.2.0.1 || 7.2.1 || 7.2.2 || 7.2.3 || 7.2.4 || 7.2.4.1 || 7.2.5 || 7.2.5.1 || 7.3.0 || 7.3.1 || 7.3.1.1 || 7.4.0 || 7.4.1 | Not reported |
| cisco/firepower_threat_defense_softwaregeneric | 6.2.3 | Not reported |
| cisco/firepower_threat_defense_softwaregeneric | 6.6.0 | Not reported |
| cisco/firepower_threat_defense_softwaregeneric | 6.4.0 | Not reported |
| cisco/firepower_threat_defense_softwaregeneric | 6.7.0 | Not reported |
| cisco/firepower_threat_defense_softwaregeneric | 7.0.0 | Not reported |
| cisco/firepower_threat_defense_softwaregeneric | 7.1.0 | Not reported |
| cisco/firepower_threat_defense_softwaregeneric | 7.2.0 | Not reported |
| cisco/firepower_threat_defense_softwaregeneric | 7.3.0 | Not reported |
| cisco/firepower_threat_defense_softwaregeneric | 7.4.0 | Not reported |
Published upstream
Apr 24, 2024
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 21, 2025
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
May 24, 2026
Added to CISA KEV
Apr 24, 2024
Evidence: source:kev:kev:kev:recordA vulnerability in the management and VPN web servers for Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a denial of service (DoS) condition. This vulnerability is due to incomplete error checking when parsing an HTTP header. An attacker could exploit this vulnerability by sending a crafted HTTP request to a targeted web server on a device. A successful exploit could allow the attacker to cause a DoS condition when the device reloads.
Quoted source text, attributed separately from HOL analysis.