{"cve":"CVE-2008-5849","nvd":{"published":"2009-01-06T17:30:00.297","modified":"2026-06-16T23:01:05.957","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-200"],"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"],"products":["checkpoint:vpn-1"],"source":"nvd","synced_at":"2026-10-19T19:53:23.791937413+00:00"},"epss":{"cve":"CVE-2008-5849","score":0.01618,"percentile":0.76046,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}