synced 6 MIN AGO
01 Record

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.

UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector

02 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.

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
3.00% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 87.2% of scored records. A rank, not a probability.
NVD base score
The NVD has published no score for this record
NVD CVSS vector
No NVD score to derive
NVD analysis status
Modified. NVD last modified this record on 2026-06-16.
Red Hat severity
Important. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2002-03-09 05:00Z24 YR AGO
Last updated
2024-08-08 04:37Z2 YR AGO
Reserved
2001-11-22
Assigning CNA
mitre
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
No CWE assigned
Data version
5.1
Document digest
ceb0ec821aa07efddaebaa02b16b4fcb785108edb8d22c1699ea4b4f99a36612

05 Affected products

VendorProductVersionsPlatforms
calderaopenlinuxNot specified—
calderaopenlinux_edesktopNot specified—
calderaopenlinux_eserverNot specified—
calderaopenlinux_serverNot specified—
calderaopenlinux_workstationNot specified—
linuxlinux_kernelNot specified—
redhatlinuxNot specified—
susesuse_linuxNot specified—

06 References