CVE-2021-41526

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-41526
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.

7.8 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
http://seclists.org/fulldisclosure/2024/Apr/24
https://community.flexera.com/t5/InstallShield-Knowledge-Base/CVE-2021-41526-Privilege-escalation-vulnerability-during-MSI/ta-p/218137/jump-to/first-unread-message Vendor Advisory
https://github.com/mandiant/Vulnerability-Disclosures/blob/master/MNDT-2021-0011/MNDT-2021-0011.md Third Party Advisory
http://seclists.org/fulldisclosure/2024/Apr/24
https://community.flexera.com/t5/InstallShield-Knowledge-Base/CVE-2021-41526-Privilege-escalation-vulnerability-during-MSI/ta-p/218137/jump-to/first-unread-message Vendor Advisory
https://github.com/mandiant/Vulnerability-Disclosures/blob/master/MNDT-2021-0011/MNDT-2021-0011.md Third Party Advisory
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:flexera:revenera_installshield:*:*:*:*:*:windows:*:*
cpe:2.3:a:flexera:revenera_installshield:2021:-:*:*:*:windows:*:*
cpe:2.3:a:flexera:revenera_installshield:2021:r1:*:*:*:windows:*:*
History

21 Nov 2024, 06:26

Type Values Removed Values Added
References () http://seclists.org/fulldisclosure/2024/Apr/24 - () http://seclists.org/fulldisclosure/2024/Apr/24 -
References () https://community.flexera.com/t5/InstallShield-Knowledge-Base/CVE-2021-41526-Privilege-escalation-vulnerability-during-MSI/ta-p/218137/jump-to/first-unread-message - Vendor Advisory () https://community.flexera.com/t5/InstallShield-Knowledge-Base/CVE-2021-41526-Privilege-escalation-vulnerability-during-MSI/ta-p/218137/jump-to/first-unread-message - Vendor Advisory
References () https://github.com/mandiant/Vulnerability-Disclosures/blob/master/MNDT-2021-0011/MNDT-2021-0011.md - Third Party Advisory () https://github.com/mandiant/Vulnerability-Disclosures/blob/master/MNDT-2021-0011/MNDT-2021-0011.md - Third Party Advisory

19 Apr 2024, 15:15

Type Values Removed Values Added
References
  • () http://seclists.org/fulldisclosure/2024/Apr/24 -

06 Apr 2023, 19:34

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 7.8
First Time Flexera
Flexera revenera Installshield
CPE cpe:2.3:a:flexera:revenera_installshield:2021:r1:*:*:*:windows:*:*
cpe:2.3:a:flexera:revenera_installshield:*:*:*:*:*:windows:*:*
cpe:2.3:a:flexera:revenera_installshield:2021:-:*:*:*:windows:*:*
CWE NVD-CWE-noinfo
References (MISC) https://github.com/mandiant/Vulnerability-Disclosures/blob/master/MNDT-2021-0011/MNDT-2021-0011.md - (MISC) https://github.com/mandiant/Vulnerability-Disclosures/blob/master/MNDT-2021-0011/MNDT-2021-0011.md - Third Party Advisory
References (CONFIRM) https://community.flexera.com/t5/InstallShield-Knowledge-Base/CVE-2021-41526-Privilege-escalation-vulnerability-during-MSI/ta-p/218137/jump-to/first-unread-message - (CONFIRM) https://community.flexera.com/t5/InstallShield-Knowledge-Base/CVE-2021-41526-Privilege-escalation-vulnerability-during-MSI/ta-p/218137/jump-to/first-unread-message - Vendor Advisory

29 Mar 2023, 21:15

Type Values Removed Values Added
New CVE
Information

Published : 2023-03-29 21:15

Updated : 2024-11-21 06:26

NVD link : CVE-2021-41526

Mitre link : CVE-2021-41526

CVE.ORG link : CVE-2021-41526

JSON object : View

Products Affected

flexera

  • revenera_installshield
CWE
NVD-CWE-noinfo