CVE-2024-20353
Actively exploited. CVE-2024-20353 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2024-04-24) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
On April 24, 2024, Cisco published three security advisories regarding vulnerabilities affecting ASA and FTD security equipment. Two of them concern vulnerabilities CVE-2024-20353 and CVE-2024-20359 which are actively exploited in targeted attacks. The vulnerability...
CSIRTS triage
- What
- Multiple vulnerabilities affecting Cisco ASA and FTD security equipment are actively exploited in targeted attacks.
- Who is affected
- Deployments of Cisco ASA and FTD security equipment are affected.
- Urgency
- Remediation is urgent due to active exploitation of the vulnerabilities.
- Action
- Refer to Cisco's advisories for specific patches and mitigations.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 99% of all EPSS-scored CVEs.
Advisory coverage (2)
- unknownexploitedMultiple vulnerabilities in Cisco products (April 25, 2024)cert-fr-alerte · 2024-04-25
- criticalexploitedCVE-2024-20353: Cisco ASA and FTD Denial of Service Vulnerabilitycisa-kev · 2024-04-24
External references
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