What is CVE-2020-12338?

CVE-2020-12338 is a critical-severity vulnerability in Intel Open Webrtc Toolkit. CVSS score: 9.8/10. Published 2020-11-13.

How severe is CVE-2020-12338?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Intel Open Webrtc Toolkit

CVE-2020-12338

Insufficient control flow management in the Open WebRTC Toolkit before version 4.3.1 may allow an unauthenticated user to potentially enable escalation of privilege via network access.

Published 2020-11-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.016 (74.9th percentile), scored 2026-10-03.

Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 74.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000

Affected products

Intel Open Webrtc Toolkit
Open Webrtc Toolkit — versions before version 4.3.1

References

www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00424 (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2020-12338?: CVE-2020-12338 is a critical-severity vulnerability in Intel Open Webrtc Toolkit. CVSS score: 9.8/10. Published 2020-11-13.
How severe is CVE-2020-12338?: Critical severity. CVSS v3 base score is 9.8 out of 10.