CVE Enrichment

CVSS
8.6 HIGH
EPSS
70.69%
EPSS Percentile
99.38%
CISA KEV
YES — Known Exploited Vulnerability

Description

A 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.

Technical Details

CVSS Version
3.1
CNA / NVD Source
psirt@cisco.com
Published
25-Apr-2024 02:15
Last Modified
12-Aug-2026 02:33
EPSS Date
2026-10-12
CWE
CWE-835

CVSS Vector

CVSS:3.1 AV:N / AC:L / PR:N / UI:N / S:C / C:N / I:N / A:H

CISA KEV Details

Date Added
2024-04-24
Remediation Due
2024-05-01
Known Ransomware Campaign Use
Unknown
Required Action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Notes
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-websrvs-dos-X8gNucD2; https://nvd.nist.gov/vuln/detail/CVE-2024-20353

Affected Products / Versions

References

Last enrichment sync: 13-Oct-2026 05:51
Sources: NVD · FIRST EPSS · CISA KEV
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Reported Context (1)

CVE (5)

Malware (2)

Threat Actors (2)

MITRE ATT&CK (14)

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Vendors (2)

Products (9)

Tools (1)

Industries (2)

Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.