Cyber Resilience

CVE-2021-21089

Low

Published: 30 September 2021

Published
30 September 2021
Modified
21 November 2024
KEV Added
Patch
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 0.0071 72.6th percentile
Risk Priority 7 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-21089 is a low-severity Out-of-bounds Read (CWE-125) vulnerability in Adobe Acrobat Dc. Its CVSS base score is 3.3 (Low).

Operationally, ranked in the top 27.4% 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 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by an out-of-bounds Read vulnerability. An unauthenticated attacker could leverage this vulnerability to locally escalate privileges 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)

Related Threats

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

Affected Assets

adobe
acrobat dc
20.006.20034 — 20.013.20074 · 20.001.30005 — 20.001.30018 · 17.011.30158 — 17.011.30188
adobe
acrobat reader dc
20.006.20034 — 20.013.20074 · 20.001.30005 — 20.001.30018 · 17.011.30158 — 17.011.30188

Mitigating Controls

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

References