CVE-2008-2733
CVE-2008-2733 is a high-severity vulnerability in Cisco Adaptive Security Appliance 5500 with a CVSS 2.0 base score of 7.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: High (CVSS 2.0 base score 7.1)
- EPSS exploit prediction: 3% (87th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Cisco Adaptive Security Appliance 5500
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2008-2733?
- 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.
- How severe is CVE-2008-2733?
- CVE-2008-2733 has a CVSS 2.0 base score of 7.1, rated high severity.
- Is CVE-2008-2733 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2008-2733?
- CVE-2008-2733 primarily affects Cisco Adaptive Security Appliance 5500. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2008-2733?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2008-2733 published?
- CVE-2008-2733 was published on 2008-09-04 and last updated on 2026-06-16.
References
- 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
Affected products (6)
- cpe:2.3:h:cisco:adaptive_security_appliance_5500:7.2:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:adaptive_security_appliance_5500:8.0:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:adaptive_security_appliance_5500:8.1:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:pix:7.2:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:pix:8.0:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:pix:8.1:*:*:*:*:*:*:*
More vulnerabilities in Cisco Adaptive Security Appliance 5500
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- CVE-2009-1158 — High (CVSS 7.8): Unspecified vulnerability on Cisco Adaptive Security Appliances (ASA) 5500 Series devices 7.0 before 7.0(8)6, 7.1…
- CVE-2009-1157 — High (CVSS 7.8): Memory leak on Cisco Adaptive Security Appliances (ASA) 5500 Series and PIX Security Appliances 7.0 before 7.0(8)6, 7.1…
- CVE-2009-1155 — High (CVSS 7.8): Cisco Adaptive Security Appliances (ASA) 5500 Series and PIX Security Appliances 7.1(1) through 7.1(2)82, 7.2 before…
- CVE-2008-2732 — High (CVSS 7.8): Multiple unspecified vulnerabilities in the SIP inspection functionality in Cisco PIX and Adaptive Security Appliance…
- CVE-2008-2735 — High (CVSS 7.1): The HTTP server in Cisco Adaptive Security Appliance (ASA) 5500 devices 8.0 before 8.0(3)15 and 8.1 before 8.1(1)5,…