Cyber Resilience

CVE-2021-28557

Medium

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 v3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
EPSS Score 0.0132 80.3th percentile
Risk Priority 9 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-28557 is a medium-severity Out-of-bounds Read (CWE-125) vulnerability in Adobe Acrobat Dc. Its CVSS base score is 4.3 (Medium).

Operationally, ranked in the top 19.7% 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 Out-of-bounds Read vulnerability. An unauthenticated attacker could leverage this vulnerability to leak sensitive system information 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)
CWE-125

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