{"cve":"CVE-2001-0851","nvd":{"published":"2001-12-06T05:00:00.000","modified":"2026-06-16T21:55:05.903","status":"Modified","description":"Linux kernel 2.0, 2.2 and 2.4 with syncookies enabled allows remote attackers to bypass firewall rules by brute force guessing the cookie.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000432","http://www.caldera.com/support/security/advisories/CSSA-2001-038.0.txt","http://www.linux-mandrake.com/en/security/2001/MDKSA-2001-082.php3","http://www.linuxsecurity.com/advisories/other_advisory-1683.html","http://www.novell.com/linux/security/advisories/2001_039_kernel2_txt.html"],"products":["caldera:openlinux","caldera:openlinux_edesktop","caldera:openlinux_eserver","caldera:openlinux_server","caldera:openlinux_workstation","linux:linux_kernel","suse:suse_linux"],"source":"nvd","synced_at":"2026-10-19T19:34:38.930894741+00:00"},"epss":{"cve":"CVE-2001-0851","score":0.03004,"percentile":0.87383,"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."]}