Cyber Resilience

CVE-2021-28643

Low

Published: 20 August 2021

Published
20 August 2021
Modified
21 November 2024
KEV Added
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Patch
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CVSS Score v3.1 3.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
EPSS Score 0.0052 67.3th percentile
Risk Priority 7 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-28643 is a low-severity Type Confusion (CWE-843) vulnerability in Adobe Acrobat Dc. Its CVSS base score is 3.3 (Low).

Operationally, ranked in the top 32.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Acrobat Reader DC versions 2021.005.20054 (and earlier), 2020.004.30005 (and earlier) and 2017.011.30197 (and earlier) are affected by a Type Confusion vulnerability. An unauthenticated attacker could leverage this vulnerability to disclose sensitive memory information in the context of the current user.…

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

CWE(s)
CWE-843

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