All vulnerabilities

Servers and applications

CVE-2012-4659

The AAA functionality in the IPv4 SSL VPN implementations on Cisco Adaptive Security Appliances (ASA) 5500 series devices, and the ASA Services Module (ASASM) in Cisco Catalyst 6500 series devices, with software 8.2 before 8.2(5.30) and 8.3 before 8.3(2.34) allows remote attackers to cause a denial of service (device reload) via a crafted authentication response, aka Bug ID CSCtz04566.

Severity
High 7.1
Published
29 Oct 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 authentication (CWE-287)
Attack
Over the network · No login needed
Attacker can
Take it down
CVSS vector
AV:N/AC:M/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 8.3(2)
  • Version 8.3(1)
  • Version 8.2(5)
  • Version 8.2(4.4)
All 11 release lines
  • Version 8.2
  • Version 8.2(1)
  • Version 8.2(2)
  • Version 8.2(3)
  • Version 8.2(3.9)
  • Version 8.2(4)
  • Version 8.2(4.1)
  • Version 8.2(4.4)
  • Version 8.2(5)
  • Version 8.3(1)
  • Version 8.3(2)

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2012-4659
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2012-4659