CVE-1999-0526
An X server's access control is disabled (e.g. through an "xhost +" command) and allows anyone to...
CVE-1999-0526 is a high vulnerability (CVSS 10.0) in X.org X11, published July 1, 1997. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 20.8%, the 97th percentile. No source names a fixed version.
- Severity
- 10.0 HighCVSS 2.0, NVD
- Exploit chance
- 20.8%EPSS, 97th percentile
- Exploitation
- None known3 public exploits
- Fixed in
- No fix listedNo source names one
Description
An X server's access control is disabled (e.g. through an "xhost +" command) and allows anyone to connect to the server.
Exploit likelihood
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Metasploit | X11 Keyboard Command Injection | 2015-07-10 |
| Metasploit | X11 Keylogger | 1997-07-01 |
| Metasploit | X11 No-Auth Scanner |
What each source reports
NVD Score used
An X server's access control is disabled (e.g. through an "xhost +" command) and allows anyone to connect to the server.
- Record
CVE-1999-0526- CVSS 2.0
- 10.0 High
AV:N/AC:L/Au:N/C:C/I:C/A:C - Updated
- 2026-11-02
CVE ListNo score
An X server's access control is disabled (e.g. through an "xhost +" command) and allows anyone to connect to the server.
- Record
CVE-1999-0526- Updated
- 2026-11-02
EUVDEUVD-1999-0524No score
An X server's access control is disabled (e.g. through an "xhost +" command) and allows anyone to connect to the server.
- Record
EUVD-1999-0524- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-fv34-2r8h-94mmNo score
An X server's access control is disabled (e.g. through an "xhost +" command) and allows anyone to...
An X server's access control is disabled (e.g. through an "xhost +" command) and allows anyone to connect to the server.
- Record
GHSA-fv34-2r8h-94mm- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| exploits, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, Metasploit, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.