PT-2021-11935 · Pearson Vue · Pearson Vue Vts Installer

Jok3R · Published 2021-01-04 · Updated 2021-01-12 · CVE-2020-36154

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: Pearson VUE VTS Installer version 2.3.1911

Description: The issue concerns the Application Wrapper in Pearson VUE VTS Installer, which has Full Control permissions for Everyone in the "%SYSTEMDRIVE%Pearson VUE" directory. This allows local users to obtain administrative privileges via a Trojan horse application.

Recommendations: For Pearson VUE VTS Installer version 2.3.1911, consider restricting access to the "%SYSTEMDRIVE%Pearson VUE" directory to prevent local users from exploiting the Full Control permissions and obtaining administrative privileges. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Incorrect Permission

Weakness Enumeration

CWE-732

Related Identifiers

CVE-2020-36154

Affected Products

Pearson Vue Vts Installer

References · 4

• 🔥 https://github.com/passtheticket/vulnerability-research/blob/main/privilege-escalation/pearsonvue-readme.md · Exploit
• 🔥 https://exploit-db.com/exploits/49143 · Exploit
• https://osv.dev/vulnerability/CVE-2020-36154 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-36154 · Security Note