CVE-2021-28643

LowCVSS 3.3/10Last modified Jun 17, 2026

Description

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

Metrics

CVSS 3.1 3.3/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Weakness enumeration

CWE-843

Affected software

No affected versions have been published.

Timeline

Published: Aug 20, 2021
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2021

CVE-2021-286447.8Acrobat Reader DC versions 2021.005.20054 (and earlier), 2020.004.30005 (and earlier) and 2017.011.30197 (and earlier) are affected by a Pat CVE-2021-286457.8An incorrect permission assignment vulnerability in Trend Micro Apex One, Apex One as a Service and OfficeScan XG SP1 could allow a local at CVE-2021-286465.5An insecure file permissions vulnerability in Trend Micro Apex One, Apex One as a Service and OfficeScan XG SP1 could allow a local attacker CVE-2021-286477.8Trend Micro Password Manager version 5 (Consumer) is vulnerable to a DLL Hijacking vulnerability which could allow an attacker to inject a m CVE-2021-286487.8Trend Micro Antivirus for Mac 2020 v10.5 and 2021 v11 (Consumer) is vulnerable to an improper access control privilege escalation vulnerabil CVE-2021-286497.3An incorrect permission vulnerability in the product installer for Trend Micro HouseCall for Home Networks version 5.3.1179 and below could CVE-2021-286505.5autoar-extractor.c in GNOME gnome-autoar before 0.3.1, as used by GNOME Shell, Nautilus, and other software, allows Directory Traversal duri CVE-2021-286517.5An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. Due to a buffer-management bug, it allows a denial of service. When resol CVE-2021-286524.9An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. Due to incorrect parser validation, it allows a Denial of Service attack CVE-2021-286536.5The iOS and macOS apps before 1.4.1 for the Western Digital G-Technology ArmorLock NVMe SSD store keys insecurely. They choose a non-preferr CVE-2021-286556.5The improper Input Validation vulnerability in "”Move folder to Trash” feature of Apache Zeppelin allows an attacker to delete the arbitrary CVE-2021-286565.4Cross-Site Request Forgery (CSRF) vulnerability in Credential page of Apache Zeppelin allows an attacker to submit malicious request. This