CVE-1999-0526 in the critical feed json
An X server's access control is disabled (e.g.
published 1997-07-01 29 y ago modified 2026-06-16 4 mo ago also EUVD-1999-0524
- cvss
- 10.0
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 20.8%
- EPSS 20.8% chance of exploitation in 30 days, percentile 97%
- public exploits
- 3
- Metasploit
Summary
An X server's access control is disabled (e.g. through an "xhost +" command) and allows anyone to connect to the server.
Timeline
- First public exploit (Metasploit auxiliary/gather/x11_keyboard_spy)
- Published
Exploit prediction
20.82% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Metasploit exploit/unix/x11/x11_keyboard_exec X11 Keyboard Command Injection metasploit exploit, excellent rank, 2015-07-10
- Metasploit auxiliary/gather/x11_keyboard_spy X11 Keylogger metasploit auxiliary, normal rank, 1997-07-01
- Metasploit auxiliary/scanner/x11/open_x11 X11 No-Auth Scanner metasploit auxiliary, normal rank
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C |
References
-
kb.cert.org
/vuls/id/704969
third-party-advisory, us-government-resource
Sources
- CVE List CVE-1999-0526
- NVD CVE-1999-0526
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