Vulnerability in Flexera Revenera Installshield
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.
EPSS: 0.003 (20.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Flexera Revenera_installshield — versions 2021
- N/a — versions n/a
Public proof-of-concept exploits
References
- PSIRT-CNA@flexerasoftware.com (Vendor Advisory)
- PSIRT-CNA@flexerasoftware.com (Third Party Advisory)
- PSIRT-CNA@flexerasoftware.com (mailing-list)
Frequently asked questions
- What is CVE-2021-41526?
- CVE-2021-41526 is a high-severity vulnerability in Flexera Revenera Installshield. CVSS score: 7.8/10. Published 2023-03-29.
- How severe is CVE-2021-41526?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2021-41526 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.