{"id":"CVE-2001-0191","url":"https://www.cyber-defence.io/tools/cve/CVE-2001-0191","generatedAt":"2026-10-27T18:32:30.952Z","title":"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…","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.","published":"2001-05-03T04:00:00.000Z","lastModified":"2026-06-16T21:53:51.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"2.0","score":10,"severity":"HIGH","vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C"},"cwe":["CWE-120"],"affected":["andynorman/gnuserv"],"epss":{"score":0.05496,"percentile":0.92727,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (5.50%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://archives.neohapsis.com/archives/bugtraq/2001-02/0030.html","tags":["Broken Link","Patch","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://www.linux-mandrake.com/en/security/2001/MDKSA-2001-019.php3","tags":["Broken Link","Patch"],"source":"cve@mitre.org"},{"url":"http://www.redhat.com/support/errata/RHSA-2001-010.html","tags":["Broken Link","Patch"],"source":"cve@mitre.org"},{"url":"http://www.redhat.com/support/errata/RHSA-2001-011.html","tags":["Broken Link","Patch"],"source":"cve@mitre.org"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/6056","tags":["Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"http://archives.neohapsis.com/archives/bugtraq/2001-02/0030.html","tags":["Broken Link","Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.linux-mandrake.com/en/security/2001/MDKSA-2001-019.php3","tags":["Broken Link","Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.redhat.com/support/errata/RHSA-2001-010.html","tags":["Broken Link","Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.redhat.com/support/errata/RHSA-2001-011.html","tags":["Broken Link","Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/6056","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2001-0191","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}