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.
CVE-2008-2733
NONECVSS 0.0
0.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- No confirmed exploitation signals yet
CISA-KEV: Not listedEPSS: 3%CVSS: —Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 86.6%
- KEV
- Not listed
Published
September 4, 2008
Last Modified
April 23, 2026
References (14)
- psirt@ciscohttp://secunia.com/advisories/31730
- psirt@ciscohttp://tools.cisco.com/security/center/content/CiscoAppliedMitigationBulletin/cisco-amb-20080903-asa
- psirt@ciscohttp://www.cisco.com/en/US/products/products_security_advisory09186a00809f138a.shtml
- psirt@ciscohttp://www.securityfocus.com/bid/30998
- psirt@ciscohttp://www.securitytracker.com/id?1020810
- psirt@ciscohttp://www.securitytracker.com/id?1020811
- psirt@ciscohttps://exchange.xforce.ibmcloud.com/vulnerabilities/44867
- af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/31730
- af854a3a-2127-422b-91ae-364da2661108http://tools.cisco.com/security/center/content/CiscoAppliedMitigationBulletin/cisco-amb-20080903-asa
- af854a3a-2127-422b-91ae-364da2661108http://www.cisco.com/en/US/products/products_security_advisory09186a00809f138a.shtml
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/30998
- af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id?1020810
- af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id?1020811
- af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/44867
Data Freshness Timeline
(refreshed 6× in last 7d / 38× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-13 22:25 UTCEPSS rescore
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- 2026-05-18 21:29 UTCEPSS rescore
Frequently asked(4)
What is CVE-2008-2733?
CVE-2008-2733 is a none vulnerability published on September 4, 2008. 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…
When was CVE-2008-2733 disclosed?
CVE-2008-2733 was first published in the National Vulnerability Database on September 4, 2008, with the most recent update on April 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2008-2733 actively exploited?
CVE-2008-2733 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 86.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2008-2733?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2008-2733, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
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