Vulnerabilities > CVE-2021-21086 - Out-of-bounds Write vulnerability in Adobe products

CVSS 7.8 - HIGH

Attack vector

LOCAL

Attack complexity

LOW

Privileges required

NONE

Confidentiality impact

HIGH

Integrity impact

HIGH

Availability impact

HIGH

local

low complexity

adobe

CWE-787

NVD

Published: 2021-09-02

Updated: 2021-09-10

Summary

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 Write vulnerability in the CoolType library. 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.

Vulnerable Configurations

Part	Description	Count
Application	Adobe Adobe Acrobat 17.011.30056 Adobe Acrobat 17.011.30059 Adobe Acrobat 17.011.30065 Adobe Acrobat 17.011.30066 Adobe Acrobat 17.011.30068 Adobe Acrobat 17.011.30070 Adobe Acrobat 17.011.30078 Adobe Acrobat 17.011.30079 Adobe Acrobat 17.011.30080 Adobe Acrobat 17.011.30096 Adobe Acrobat 17.011.30099 Adobe Acrobat 17.011.30102 Adobe Acrobat 17.011.30105 Adobe Acrobat 17.011.30106 Adobe Acrobat 17.011.30110 Adobe Acrobat 17.011.30113 Adobe Acrobat 17.011.30120 Adobe Acrobat 17.011.30127 Adobe Acrobat 17.011.30138 Adobe Acrobat 17.011.30140 Adobe Acrobat 17.011.30142 Adobe Acrobat 17.011.30143 Adobe Acrobat 17.011.30180 Adobe Acrobat 17.011.30188 Adobe Acrobat 20.001.30005 Adobe Acrobat 20.001.30010 Adobe Acrobat 20.001.30018 Adobe Acrobat DC 20.006.20042 Adobe Acrobat DC 20.009.20074 Adobe Acrobat DC 20.012.20048 Adobe Acrobat DC 20.013.20066 Adobe Acrobat DC 20.013.20074 Adobe Acrobat Reader 17.011.30059 Adobe Acrobat Reader 17.011.30065 Adobe Acrobat Reader 17.011.30066 Adobe Acrobat Reader 17.011.30068 Adobe Acrobat Reader 17.011.30070 Adobe Acrobat Reader 17.011.30078 Adobe Acrobat Reader 17.011.30079 Adobe Acrobat Reader 17.011.30080 Adobe Acrobat Reader 17.011.30096 Adobe Acrobat Reader 17.011.30099 Adobe Acrobat Reader 17.011.30102 Adobe Acrobat Reader 17.011.30105 Adobe Acrobat Reader 17.011.30106 Adobe Acrobat Reader 17.011.30110 Adobe Acrobat Reader 17.011.30113 Adobe Acrobat Reader 17.011.30120 Adobe Acrobat Reader 17.011.30127 Adobe Acrobat Reader 17.011.30138 Adobe Acrobat Reader 17.011.30140 Adobe Acrobat Reader 17.011.30142 Adobe Acrobat Reader 17.011.30180 Adobe Acrobat Reader 17.011.30188 Adobe Acrobat Reader 20.001.30005 Adobe Acrobat Reader 20.001.30010 Adobe Acrobat Reader 20.001.30018 Adobe Acrobat Reader 20.001.30020 Adobe Acrobat Reader 20.001.30025 Adobe Acrobat Reader 20.001.300183 Adobe Acrobat Reader DC 20.006.20042 Adobe Acrobat Reader DC 20.009.20074 Adobe Acrobat Reader DC 20.012.20048 Adobe Acrobat Reader DC 20.013.20066 Adobe Acrobat Reader DC 20.013.20074	65
OS	Apple Apple Macos -	1
OS	Microsoft Microsoft Windows -	1

Common Weakness Enumeration (CWE)

CWE-787 - Out-of-bounds Write

References

https://helpx.adobe.com/security/products/acrobat/apsb21-09.html