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CVE-2020-13162

HighPublished

A time-of-check time-of-use vulnerability in PulseSecureService.exe in Pulse Secure Client versions prior to 9.1.6 down to 5.3 R70 for Windows (which runs...

Published: Jun 16, 2020
Updated: May 5, 2025
Assigning CNA: mitre
Evidence observed: Aug 4, 2026

Primary CVSS

7.0/ 10High

nvd · CVSS 3.1

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

EPSS probability estimate

0.8%

Low · next 30 days

Percentile: 54.4%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

A time-of-check time-of-use vulnerability in PulseSecureService.exe in Pulse Secure Client versions prior to 9.1.6 down to 5.3 R70 for Windows (which runs as NT AUTHORITY/SYSTEM) allows unprivileged users to run a Microsoft Installer executable with elevated privileges.

Sources

tu-TOCTOU-kaiu-TOCMEU-CVE-2020-13162-Exploit
Exploit for CVE-2020-13162

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