CVE-2008-5849
Check Point VPN-1 R55, R65, and other versions, when Port Address Translation (PAT) is used, allows remote attackers to discover intranet IP addresses via a packet with a small TTL, which triggers an ICMP_TIMXCEED_INTRANS (aka ICMP time exceeded in-transit) response containing an encapsulated IP packet with an intranet address, as demonstrated by a TCP packet to the firewall management server on port 18264.
Key facts
- CVSS score
- 5.0 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:L/Au:N/C:P/I:N/A:N- Weakness (CWE)
- CWE-200
- EPSS score
- 1.6% (76th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2008-5819)
- Published
- January 6, 2009
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2008-5819 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- checkpoint / vpn-1
- checkpoint / vpn-1
References
- http://secunia.com/advisories/32728
- http://www.portcullis-security.com/293.php
- http://www.securityfocus.com/bid/32306
- http://www.vupen.com/english/advisories/2008/3229
- https://exchange.xforce.ibmcloud.com/vulnerabilities/46645
- https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk36321
- https://svn.wald.intevation.org/svn/openvas/trunk/openvas-plugins/scripts/checkpoint-vpn1-pat-information-disclosure.nasl(Exploit)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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