CVE-2009-4923
Unspecified vulnerability in the DTLS implementation on Cisco Adaptive Security Appliances (ASA)...
Unspecified vulnerability in the DTLS implementation on Cisco Adaptive Security Appliances (ASA) 5580 series devices with software before 8.1(2) allows remote attackers to cause a denial of service (traceback) via TLS fragments, aka Bug ID CSCso53162.
Exploit likelihood
What each source reports
NVD Score used
7.8
Unspecified vulnerability in the DTLS implementation on Cisco Adaptive Security Appliances (ASA) 5580 series devices with software before 8.1(2) allows remote attackers to cause a denial of service (traceback) via TLS fragments, aka Bug ID CSCso53162.
- Record
CVE-2009-4923- CVSS 2.0
- 7.8 High
AV:N/AC:L/Au:N/C:N/I:N/A:C - Updated
- 2026-11-02
CVE List No score
Unspecified vulnerability in the DTLS implementation on Cisco Adaptive Security Appliances (ASA) 5580 series devices with software before 8.1(2) allows remote attackers to cause a denial of service (traceback) via TLS fragments, aka Bug ID CSCso53162.
- Record
CVE-2009-4923- Updated
- 2026-11-02
EUVDEUVD-2009-4886 No score
Unspecified vulnerability in the DTLS implementation on Cisco Adaptive Security Appliances (ASA) 5580 series devices with software before 8.1(2) allows remote attackers to cause a denial of service (traceback) via TLS fragments, aka Bug ID CSCso53162.
- Record
EUVD-2009-4886- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-rj5j-m5vv-27cj No score
Unspecified vulnerability in the DTLS implementation on Cisco Adaptive Security Appliances (ASA)...
Unspecified vulnerability in the DTLS implementation on Cisco Adaptive Security Appliances (ASA) 5580 series devices with software before 8.1(2) allows remote attackers to cause a denial of service (traceback) via TLS fragments, aka Bug ID CSCso53162.
- Record
GHSA-rj5j-m5vv-27cj- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2009-4923 is a high vulnerability (CVSS 7.8) in Cisco Asa 5580, published June 29, 2010. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.39%, the 72nd percentile. No source names a fixed version.