Vulnerability Details : CVE-2020-25697
A privilege escalation flaw was found in the Xorg-x11-server due to a lack of authentication for X11 clients. This flaw allows an attacker to take control of an X application by impersonating the server it is expecting to connect to.
Vulnerability category: Gain privilege
Products affected by CVE-2020-25697
- cpe:2.3:a:x.org:x_server:-:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-25697
0.07%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 21 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-25697
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.4
|
MEDIUM | AV:L/AC:M/Au:N/C:P/I:P/A:P |
3.4
|
6.4
|
NIST | |
|
7.0
|
HIGH | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.0
|
5.9
|
NIST |
CWE ids for CVE-2020-25697
-
The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.Assigned by:
- nvd@nist.gov (Secondary)
- secalert@redhat.com (Primary)
References for CVE-2020-25697
-
https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772%40%3Cdev.mina.apache.org%3E
[jira] [Created] (FTPSERVER-500) Security vulnerability in common/lib/log4j-1.2.17.jar-Apache Mail Archives
-
https://seclists.org/oss-sec/2020/q4/105
oss-sec: The importance of mutual authentication: Local Privilege Escalation in X11Mailing List;Third Party Advisory
-
http://www.openwall.com/lists/oss-security/2020/11/09/3
oss-security - The importance of mutual authentication: Local Privilege Escalation in X11Mailing List;Third Party Advisory
-
https://bugzilla.redhat.com/show_bug.cgi?id=1895295
Issue Tracking;Third Party Advisory
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