Cyber Resilience

CVE-2021-28638

High

Published: 20 August 2021

Published
20 August 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score 0.4220 97.5th percentile
Risk Priority 41 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-28638 is a high-severity Heap-based Buffer Overflow (CWE-122) vulnerability in Adobe Acrobat Dc. Its CVSS base score is 7.8 (High).

Operationally, ranked in the top 2.5% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Acrobat Reader DC versions 2021.005.20054 (and earlier), 2020.004.30005 (and earlier) and 2017.011.30197 (and earlier) are affected by a Heap-based Buffer overflow vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code execution in the context of the current…

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user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

adobe
acrobat dc
15.008.20082 — 21.005.20054 · 17.011.30059 — 17.011.30197 · 20.001.30005 — 20.004.30005
adobe
acrobat reader dc
15.008.20082 — 21.005.20054 · 17.011.30059 — 17.011.30197 · 20.001.30005 — 20.004.30005

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References