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CVE-2001-0191
gnuserv before 3.12, as shipped with XEmacs, does not properly check the specified length of an X Windows MIT-MAGIC-COOKIE cookie, which…
High10.0EPSS 5.5%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
gnuserv before 3.12, as shipped with XEmacs, does not properly check the specified length of an X Windows MIT-MAGIC-COOKIE cookie, which allows remote attackers to execute arbitrary commands via a buffer overflow, or brute force authentication by using a short cookie length.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 5.5% · top 7.2% of all CVEs (2 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 10.0.
Weakness
Affected products
n/a
- affected n/a
References (5)
- RHSA-2001:011 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2001:010 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- MDKSA-2001:019 (opens in a new tab)vendor-advisoryx_refsource_MANDRAKEx_transferred
- gnuserv-tcp-cookie-overflow(6056) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 20010202 Remote vulnerability in gnuserv/XEmacs (opens in a new tab)mailing-listx_refsource_BUGTRAQx_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 .