Cyber Resilience

CVE-2021-28558

High

Published: 02 September 2021

Published
02 September 2021
Modified
21 November 2024
KEV Added
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Patch
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CVSS Score v3 8.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score 0.4154 97.5th percentile
Risk Priority 43 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-28558 is a high-severity Heap-based Buffer Overflow (CWE-122) vulnerability in Adobe Acrobat Dc. Its CVSS base score is 8.8 (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 versions 2021.001.20150 (and earlier), 2020.001.30020 (and earlier) and 2017.011.30194 (and earlier) are affected by an Heap-based buffer overflow vulnerability in the PDFLibTool component. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code execution in…

more

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

CWE(s)
CWE-122

Related Threats

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

Affected Assets

adobe
acrobat dc
15.008.20082 — 21.001.20150 · 15.008.20082 — 21.001.20150
adobe
acrobat reader dc
15.008.20082 — 21.001.20150 · 15.008.20082 — 21.001.20150
adobe
acrobat
17.011.30059 — 17.011.30194 · 20.001.30005 — 20.001.30020
adobe
acrobat reader
17.011.30059 — 17.011.30194 · 20.001.30005 — 20.001.30020

Mitigating Controls

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

References