Buffer overflow in Adobe Media Encoder

CVE-2021-43756

Adobe Media Encoder versions 22.0, 15.4.2 (and earlier) are affected by an Out-of-bounds Write vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

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:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.020 (79.6th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 79.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-43756: held from 0.019 to 0.020.

EPSS over last 30 days · oldest: 0.019 · newest: 0.020 · change: +0.001

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-43756?
CVE-2021-43756 is a high-severity vulnerability in Adobe Media Encoder, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2022-06-15.
How severe is CVE-2021-43756?
High severity. CVSS v3 base score is 7.8 out of 10.