CVE-2001-1086
highpriority · track · 41OT risk · elevatedEPSS 0.028 · 87 %ileexploit · functionalEUUSEPSS · scored 2026-10-28
XDM in XFree86 3.3 and 3.3.3 generates easily guessable cookies using gettimeofday() when compiled with the HasXdmXauth option, which allows remote attackers to gain unauthorized access to the X display via a brute force attack.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.8–7.5
weaknesses
The CWE weakness classes this flaw belongs to.
exploits (1)
Public proof-of-concept and weaponised exploit code.
- EDB-20993XFree86 X11R6 3.3 XDM - Session Cookie Guessingfunctional · exploit_db
affected products (3)
Products and version ranges known to be affected.
also known as (2)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (8)
External citations — patches, advisories, analysis.
- http://online.securityfocus.com/archive/1/195008enisa_euvd
- http://www.securityfocus.com/archive/1/194907enisa_euvd
- http://www.securityfocus.com/bid/2985enisa_euvd
- https://exchange.xforce.ibmcloud.com/vulnerabilities/6808enisa_euvd
- http://online.securityfocus.com/archive/1/195008Vendor Advisorynvd
- http://www.securityfocus.com/archive/1/194907ExploitVendor Advisorynvd
- http://www.securityfocus.com/bid/2985ExploitPatchVendor Advisorynvd
- https://exchange.xforce.ibmcloud.com/vulnerabilities/6808nvd
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