CVEvulnerability
CVE-2020-13162
7.0 HIGH
Official page ↗
- Status
- Modified
- Published
- 2020-06-16
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.0 HIGH — CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 7.0 HIGH — CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 6.9 MEDIUM — AV:L/AC:M/Au:N/C:C/I:C/A:C
- Weaknesses
- CWE-367
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.
Affected configurations
• pulsesecure pulse secure desktop client 5.3
• pulsesecure pulse secure desktop client 9.0
• pulsesecure pulse secure desktop client 9.1
• pulsesecure pulse secure installer service 8.3
• pulsesecure pulse secure installer service 9.1
Related
Weakness · CWE (1)
- CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition weakness
References
- http://packetstormsecurity.com/files/158117/Pulse-Secure-Client-For-Windows-Local-Privilege-Escalation.html Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/159065/Pulse-Secure-Windows-Client-Privilege-Escalation.html Third Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2020/Jun/25 Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2020/Sep/15 Mailing List, Third Party Advisory
- https://kb.pulsesecure.net/?atype=sa Vendor Advisory
- https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44503 Vendor Advisory
- https://twitter.com/gsepcali/status/1262551597990711296 Third Party Advisory
- https://twitter.com/gsepcali/status/1272927080909623297 Third Party Advisory
- https://twitter.com/sepcali/status/1262551597990711296 Third Party Advisory
- https://www.redtimmy.com/privilege-escalation/pulse-secure-client-for-windows-9-1-6-toctou-privilege-escalation-cve-2020-13162/ Exploit, Third Party Advisory
- http://packetstormsecurity.com/files/158117/Pulse-Secure-Client-For-Windows-Local-Privilege-Escalation.html Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/159065/Pulse-Secure-Windows-Client-Privilege-Escalation.html Third Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2020/Jun/25 Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2020/Sep/15 Mailing List, Third Party Advisory
- https://kb.pulsesecure.net/?atype=sa Vendor Advisory
- https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44503 Vendor Advisory
- https://twitter.com/gsepcali/status/1262551597990711296 Third Party Advisory
- https://twitter.com/gsepcali/status/1272927080909623297 Third Party Advisory
- https://twitter.com/sepcali/status/1262551597990711296 Third Party Advisory
- https://www.redtimmy.com/privilege-escalation/pulse-secure-client-for-windows-9-1-6-toctou-privilege-escalation-cve-2020-13162/ Exploit, Third Party Advisory