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Vulnerability record · CVE-2008-2733 · published 4 September 2008

CVE-2008-2733: Cisco adaptive security appliance 5500 vulnerability

Cisco · Adaptive Security Appliance 5500

Cisco PIX and Adaptive Security Appliance (ASA) 5500 devices 7.2 before 7.2(4)2, 8.0 before 8.0(3)14, and 8.1 before 8.1(1)4, when configured as a client VPN endpoint, do not properly process IPSec client authentication, which allows remote attackers to cause a denial of service (device reload) via a crafted authentication attempt, aka Bug ID CSCso69942.

7.1 CVSS 2.0 High EPSS 3.2% · top 12.4%
7.1CVSS 2.0 base score
3.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
14References
16 Jun 2026Last modified by NVD

Description

Cisco PIX and Adaptive Security Appliance (ASA) 5500 devices 7.2 before 7.2(4)2, 8.0 before 8.0(3)14, and 8.1 before 8.1(1)4, when configured as a client VPN endpoint, do not properly process IPSec client authentication, which allows remote attackers to cause a denial of service (device reload) via a crafted authentication attempt, aka Bug ID CSCso69942.

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

Affected products

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

References

LinkTags
http://secunia.com/advisories/31730
http://tools.cisco.com/security/center/content/CiscoAppliedMitigationBulletin/cisco-amb-20080903-asa
http://www.cisco.com/en/US/products/products_security_advisory09186a00809f138a.shtml
http://www.securityfocus.com/bid/30998
http://www.securitytracker.com/id?1020810
http://www.securitytracker.com/id?1020811
https://exchange.xforce.ibmcloud.com/vulnerabilities/44867
http://secunia.com/advisories/31730
http://tools.cisco.com/security/center/content/CiscoAppliedMitigationBulletin/cisco-amb-20080903-asa
http://www.cisco.com/en/US/products/products_security_advisory09186a00809f138a.shtml
http://www.securityfocus.com/bid/30998
http://www.securitytracker.com/id?1020810
http://www.securitytracker.com/id?1020811
https://exchange.xforce.ibmcloud.com/vulnerabilities/44867

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Related vulnerabilities

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

10.0CVE-2007-2462Cisco pix vulnerabilityUnspecified vulnerability in Cisco Adaptive Security Appliance (ASA) and PIX 7.2 before 7.2(2)8, when using Layer 2 Tunneling Protocol (L2TP) or Remo…EPSS 6.5%7.8CVE-2009-1155Cisco adaptive security appliance 5500 improper authentication vulnerabilityCisco Adaptive Security Appliances (ASA) 5500 Series and PIX Security Appliances 7.1(1) through 7.1(2)82, 7.2 before 7.2(4)27, 8.0 before 8.0(4)25, a…EPSS 1.9%7.8CVE-2009-1157Cisco adaptive security appliance 5500 vulnerabilityMemory leak on Cisco Adaptive Security Appliances (ASA) 5500 Series and PIX Security Appliances 7.0 before 7.0(8)6, 7.1 before 7.1(2)82, 7.2 before 7…EPSS 2.7%7.8CVE-2009-1158Cisco adaptive security appliance 5500 vulnerabilityUnspecified vulnerability on Cisco Adaptive Security Appliances (ASA) 5500 Series devices 7.0 before 7.0(8)6, 7.1 before 7.1(2)82, 7.2 before 7.2(4)2…EPSS 1.9%7.8CVE-2009-1159Cisco adaptive security appliance 5500 vulnerabilityUnspecified vulnerability on Cisco Adaptive Security Appliances (ASA) 5500 Series and PIX Security Appliances 7.2 before 7.2(4)26, 8.0 before 8.0(4)2…EPSS 1.9%7.8CVE-2008-2732Cisco adaptive security appliance 5500 vulnerabilityMultiple unspecified vulnerabilities in the SIP inspection functionality in Cisco PIX and Adaptive Security Appliance (ASA) 5500 devices 7.0 before 7…EPSS 3.4%7.8CVE-2007-2461Cisco pix vulnerabilityThe DHCP relay agent in Cisco Adaptive Security Appliance (ASA) and PIX 7.2 allows remote attackers to cause a denial of service (dropped packets) vi…EPSS 4.4%7.8CVE-2007-2463Cisco pix vulnerabilityUnspecified vulnerability in Cisco Adaptive Security Appliance (ASA) and PIX 7.1 before 7.1(2)49 and 7.2 before 7.2(2)17 allows remote attackers to c…EPSS 2.9%

Source: NIST National Vulnerability Database (record CVE-2008-2733), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.