CVE-2020-13162
- State
- Published
- Severity
- 7.0 High
- Published
- Jun 16, 2020
- Updated
- May 5, 2025
- Reserved
- May 19, 2020
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.0 High | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H | CISA-ADP |
Weaknesses
- CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition
Affected Products
| Product | Versions |
|---|---|
n/an/a |
|
References
- https://kb.pulsesecure.net/?atype=sa
- https://twitter.com/sepcali/status/1262551597990711296
- 20200616 Pulse Secure Client < 9.1R6 TOCTOU Privilege Escalation (CVE-2020-13162)mailing-list
- https://www.redtimmy.com/privilege-escalation/pulse-secure-client-for-windows-9-1-6-toctou-privilege-escalation-cve-2020-13162/
- http://packetstormsecurity.com/files/158117/Pulse-Secure-Client-For-Windows-Local-Privilege-Escalation.html
- https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44503
- https://twitter.com/gsepcali/status/1262551597990711296
- https://twitter.com/gsepcali/status/1272927080909623297
- 20200904 Pulse Secure Windows Client <9.1.6 (CVE-2020-13162) - exploitmailing-list
- http://packetstormsecurity.com/files/159065/Pulse-Secure-Windows-Client-Privilege-Escalation.html
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