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Servers and applications

CVE-2012-0355

Cisco Adaptive Security Appliances (ASA) 5500 series devices, and the ASA Services Module (ASASM) in Cisco Catalyst 6500 series devices, with software 8.4 before 8.4(2.11) and 8.5 before 8.5(1.4) allow remote attackers to cause a denial of service (device reload) via (1) IPv4 or (2) IPv6 packets that trigger syslog message 305006, aka Bug ID CSCts39634.

Severity
High 7.8
Published
15 Mar 2012
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
2.6% in the next 30 daysHigher than 85% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
Improper input validation (CWE-20)
Attack
Over the network · No login needed
Attacker can
Take it down
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:C
Sources
NVD

Affected software

SoftwareAffected versions
Cisco ASA and Firepower Threat DefenseServers and applications · cpe:o:cisco:adaptive_security_appliance_software
  • Version 8.5(1.4)
  • Version 8.5(1)
  • Version 8.5
  • Version 8.4(2.11)
All 8 release lines
  • Version 8.4
  • Version 8.4(1)
  • Version 8.4(1.11)
  • Version 8.4(2)
  • Version 8.4(2.11)
  • Version 8.5
  • Version 8.5(1)
  • Version 8.5(1.4)

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2012-0355
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2012-0355