The UDP inspection engine on Cisco Adaptive Security Appliances (ASA) 5500 series devices, and the ASA Services Module (ASASM) in Cisco…

Description

The UDP inspection engine on Cisco Adaptive Security Appliances (ASA) 5500 series devices, and the ASA Services Module (ASASM) in Cisco Catalyst 6500 series devices, with software 8.0 before 8.0(5.25), 8.1 before 8.1(2.50), 8.2 before 8.2(5.5), 8.3 before 8.3(2.22), 8.4 before 8.4(2.1), and 8.5 before 8.5(1.2) does not properly handle flows, which allows remote attackers to cause a denial of service (device reload) via a crafted series of (1) IPv4 or (2) IPv6 UDP packets, aka Bug ID CSCtq10441.

Scores

EPSS (exploitation in 30 days)

2.5% · top 16% of all CVEs (2 Nov 2026)

Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.1.

Weakness

• n/a
• CWE-20 (opens in a new tab)

Affected products

• n/a

  • affected n/a

References (6)

• 52484 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• 20120314 Multiple Vulnerabilities in Cisco ASA 5500 Series Adaptive Security Appliances and Cisco Catalyst 6500 Series ASA Services Module (opens in a new tab)vendor-advisoryx_refsource_CISCOx_transferred
• 48423 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• cisco-udp-dos(74029) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
• 80043 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
• 1026800 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Record last updated 6 Aug 2024, 18:23 UTC.