Cyber Resilience

CVE-2021-28562

High

Published: 28 June 2021

Published
28 June 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score 0.2285 96.0th percentile
Risk Priority 31 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-28562 is a high-severity Use After Free (CWE-416) vulnerability in Adobe Acrobat Dc. Its CVSS base score is 8.8 (High).

Operationally, ranked in the top 4.0% 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 a Use After Free vulnerability when executing search queries through Javascript. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code…

more

execution in the context of the current 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 — 21.001.20150
adobe
acrobat reader dc
15.008.20082 — 21.001.20150

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-416

Use-after-free exploits that achieve arbitrary code execution are blocked or significantly hardened by non-executable pages and ASLR.

References