// For flags

CVE-1999-0526

X11 No-Auth Scanner

Severity Score

9.8
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

An X server's access control is disabled (e.g. through an "xhost +" command) and allows anyone to connect to the server.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 1997-07-01 CVE Published
  • 1999-06-07 CVE Reserved
  • 2024-08-01 CVE Updated
  • 2024-09-01 First Exploit
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
CAPEC
References (2)
URL Tag Source
http://www.kb.cert.org/vuls/id/704969 Third Party Advisory
URL Date SRC
https://packetstorm.news/files/id/180970 2024-09-01
URL Date SRC
URL Date SRC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
X.org
Search vendor "X.org"
 X11
Search vendor "X.org" for product "X11"
 7.1_1.1.0
Search vendor "X.org" for product "X11" and version "7.1_1.1.0"
-
Affected