CVE-2021-21017

HIGHCISA KEV

8.8

Description

Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by a heap-based buffer overflow vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Details CVE

Score CVSS v3.18.8

SeveriteHIGH

Vecteur CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisNONE

Interaction utilisateurREQUIRED

Publie2/11/2021

Derniere modification10/23/2025

Sourcekev

Observations honeypot0

CISA KEV

FournisseurAdobe

ProduitAcrobat and Reader

Nom vulnerabiliteAdobe Acrobat and Reader Heap-based Buffer Overflow Vulnerability

Date ajout KEV2021-11-03

Date limite remediation2021-11-17

Utilise dans ransomwareUnknown

Produits affectes

adobe:acrobatadobe:acrobat_dcadobe:acrobat_readeradobe:acrobat_reader_dcapple:macosmicrosoft:windows

Faiblesses (CWE)

CWE-122CWE-787

References

https://helpx.adobe.com/security/products/acrobat/apsb21-09.html(psirt@adobe.com)

https://helpx.adobe.com/security/products/acrobat/apsb21-09.html(af854a3a-2127-422b-91ae-364da2661108)

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-21017(134c704f-9b21-4f2e-91b3-4a467353bcc0)

Correlations IOC

Aucune correlation enregistree

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