CVE-2025-20333Vulnerability
Cisco Secure Firewall Adaptive Security Appliance (ASA) and Secure Firewall Threat Defense (FTD) Buffer Overflow Vulnerability
Exploited in the wildCISA added it to its Known Exploited Vulnerabilities list on .
Reported by 1 independent source · first reported by GreyNoise · last reported
Last reported 13 months ago
CISA KEVAdded 25 Sep 2025
Fix due 26 Sep 2025
Used by ransomware: not knownCISA KEV catalogue
Fix due 26 Sep 2025
Used by ransomware: not knownCISA KEV catalogue
EPSS71.2%
higher than 99% of CVEsFIRST EPSS, as of 21 Oct 2026
higher than 99% of CVEsFIRST EPSS, as of 21 Oct 2026
What the reports say
1 report, newest first · the exact sentence from each-
25,000 IPs Scanned Cisco ASA Devices — New Vulnerability Potentially Incoming“Both vulnerabilities, tracked as CVE-2025-20333 and CVE-2025-20362, have been added to CISA’s Known Exploited Vulnerabilities (KEV) catalog.”
Indicators reported together
named in the same reportsAlso named with it: CVE-2025-20362, CVE-2020-3452, CVE-2020-3259
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