Buffer overflow in X.org X Server
CVE-2020-25712
A flaw was found in xorg-x11-server before 1.20.10. A heap-buffer overflow in XkbSetDeviceInfo may lead to a privilege escalation vulnerability. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (26.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 27th percentile — 26.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.000
Affected products
- X.org X Server
- Red Hat Enterprise Linux — versions 8.0
- Xorg-X11-Server — versions xorg-x11-server 1.20.10
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- lists.x.org/archives/xorg-announce/2020-December/003066.html (Mailing List, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-25712?
- CVE-2020-25712 is a high-severity vulnerability in X.org X Server, classified under Heap-based Buffer Overflow. CVSS score: 7.8/10. Published 2020-12-15.
- How severe is CVE-2020-25712?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2020-25712 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.