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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.
Medium5.0EPSS 3.0%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
- EPSS (exploitation in 30 days)
- 3.0% · top 13% of all CVEs (3 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (7)
- MDKSA-2001:082 (opens in a new tab)vendor-advisoryx_refsource_MANDRAKEx_transferred
- linux-syncookie-bypass-filter(7461) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- SuSE-SA:2001:039 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- RHSA-2001:142 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- ESA-20011106-01 (opens in a new tab)vendor-advisoryx_refsource_ENGARDEx_transferred
- CSSA-2001-38.0 (opens in a new tab)vendor-advisoryx_refsource_CALDERAx_transferred
- CLA-2001:432 (opens in a new tab)vendor-advisoryx_refsource_CONECTIVAx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .