CVE-2001-0851

critical

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.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/7461

http://www.redhat.com/support/errata/RHSA-2001-142.html

http://www.novell.com/linux/security/advisories/2001_039_kernel2_txt.html

http://www.linuxsecurity.com/advisories/other_advisory-1683.html

http://www.linux-mandrake.com/en/security/2001/MDKSA-2001-082.php3

http://www.caldera.com/support/security/advisories/CSSA-2001-038.0.txt

http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000432

Details

Source: Mitre, NVD

Published: 2001-12-06

Updated: 2025-04-03

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 9.1

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Severity: Critical

EPSS

EPSS: 0.00623