VDB
CVE-2020-25697
CVE-2020-25697
PUBLISHED
Reported by redhat · Published May 26, 2021
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.
Affected products
| Vendor | Product | Versions |
|---|---|---|
| n/a | xorg-x11-server | All |
| chainguard | xorg-server | * |
| n/a | xorg-x11-server | * |
| wolfi | xorg-server | * |
Timeline
- Nov 10, 2020 CVE Published
- May 27, 2021 EPSS Score (30 in total, the first dated here)
- May 24, 2022 CVE Updated
- Apr 4, 2026 Security Advisory
- Sep 2, 2026 Coalition ESS Score
Query this with the API
The same record, from the CLI:
vulnetix vdb vuln CVE-2020-25697
vulnetix vdb fixes CVE-2020-25697Or with curl, using the org id and key from your account page:
curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
"https://api.vdb.vulnetix.com/v2/vuln/CVE-2020-25697/fixes/registry"The Community plan is free and allows 50 queries a day. Get a free API key · API quickstart
References
- [oss-security] 20201109 The importance of mutual authentication: Local Privilege Escalation in X11 mailing-listx_refsource_MLIST
- [mina-dev] 20210225 [jira] [Created] (FTPSERVER-500) Security vulnerability in common/lib/log4j-1.2.17.jar mailing-listx_refsource_MLIST
- x_refsource_MISC
- x_refsource_MISC