CVE-2021-41526

Published: Mar 29, 2023Modified: Nov 21, 2024

7.8

Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitability: 1.8 / Impact: 5.9

Source: NVD

Description

A vulnerability has been reported in the windows installer (MSI) built with InstallScript custom action. This vulnerability may allow privilege escalation when invoked ‘repair’ of the MSI which has an InstallScript custom action.

Affected (3)

Products: Flexera: Revenera Installshield

Flexera

1 product

Revenera Installshield

Configuration A

3 vulnerable

Vulnerable Software	Affected Versions
Flexera Revenera Installshield	Before 2021
Flexera Revenera Installshield	Version 2021
Flexera Revenera Installshield	Version 2021 r1

References (6)

http://seclists.org/fulldisclosure/2024/Apr/24

Source: PSIRT-CNA@flexerasoftware.com

https://community.flexera.com/t5/InstallShield-Knowledge-Base/CVE-2021-41526-Privilege-escalation-vulnerability-during-MSI/ta-p/218137/jump-to/first-unread-message

Source: PSIRT-CNA@flexerasoftware.com

Vendor Advisory

https://github.com/mandiant/Vulnerability-Disclosures/blob/master/MNDT-2021-0011/MNDT-2021-0011.md

Source: PSIRT-CNA@flexerasoftware.com

Third Party Advisory

http://seclists.org/fulldisclosure/2024/Apr/24

Source: af854a3a-2127-422b-91ae-364da2661108

https://community.flexera.com/t5/InstallShield-Knowledge-Base/CVE-2021-41526-Privilege-escalation-vulnerability-during-MSI/ta-p/218137/jump-to/first-unread-message

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

https://github.com/mandiant/Vulnerability-Disclosures/blob/master/MNDT-2021-0011/MNDT-2021-0011.md

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

Timeline

No history available yet.