CVE-2001-0851: 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

Unscored severity · published Dec 6, 2001

CVE-2001-0851

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

EPSS

On KEV

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.

Exploitation

Is it being used?

Exploit prediction (EPSS)3.0% · higher than 87% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Kernel · Linux

2.0; 2.2.0; 2.4.0 · source: NVD

Openlinux · Caldera

2.3 · source: NVD

Openlinux Edesktop · Caldera

2.4 · source: NVD

Openlinux Eserver · Caldera

2.3.1 · source: NVD

Openlinux Server · Caldera

3.1 · source: NVD

Openlinux Workstation · Caldera

3.1 · source: NVD

Suse Linux · Suse

6.3; 6.4; 7.0; 7.1; 7.2; 7.3 · source: NVD

Affected product

Kernel

Linux

All Kernel CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2001-0851

CVE.org

https://www.cve.org/CVERecord?id=CVE-2001-0851

distro.conectiva.com.br

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

Patch

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

www.linux-mandrake.com

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

Patch

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

www.novell.com

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

www.redhat.com

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