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Vulnerability record · CVE-2012-0355 · published 15 March 2012

CVE-2012-0355: Cisco adaptive security appliance software improper input validation vulnerability

Cisco · Adaptive Security Appliance Software

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.

7.8 CVSS 2.0 High EPSS 2.7% · top 14.4% CWE-20 · Improper input validation
7.8CVSS 2.0 base score
2.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
11Affected product versions listed by NVD
10References
16 Jun 2026Last modified by NVD

Description

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.

AV:N/AC:L/Au:N/C:N/I:N/A:C

Affected products

11 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://osvdb.org/80045
http://secunia.com/advisories/48423
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120314-asa Vendor Advisory
http://www.securityfocus.com/bid/52488
http://www.securitytracker.com/id?1026800
http://osvdb.org/80045
http://secunia.com/advisories/48423
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120314-asa Vendor Advisory
http://www.securityfocus.com/bid/52488
http://www.securitytracker.com/id?1026800

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2012-0355), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.