Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2020-13162

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.

Published

2020-06-16T20:15:13.380

Last Modified

2025-05-05T17:15:58.690

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.0 (HIGH)

CVSSv2 Vector

AV:L/AC:M/Au:N/C:C/I:C/A:C

Access Vector: LOCAL
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

3.4

Impact Score

10.0

Weaknesses

Type: Primary
CWE-367
Type: Secondary
CWE-367

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	pulsesecure	pulse_secure_desktop_client	5.3	Yes
Application	pulsesecure	pulse_secure_desktop_client	5.3	Yes
Application	pulsesecure	pulse_secure_desktop_client	5.3	Yes
Application	pulsesecure	pulse_secure_desktop_client	5.3	Yes
Application	pulsesecure	pulse_secure_desktop_client	5.3	Yes
Application	pulsesecure	pulse_secure_desktop_client	5.3	Yes
Application	pulsesecure	pulse_secure_desktop_client	5.3	Yes
Application	pulsesecure	pulse_secure_desktop_client	5.3	Yes
Application	pulsesecure	pulse_secure_desktop_client	5.3	Yes
Application	pulsesecure	pulse_secure_desktop_client	5.3	Yes
Application	pulsesecure	pulse_secure_desktop_client	9.0	Yes
Application	pulsesecure	pulse_secure_desktop_client	9.0	Yes
Application	pulsesecure	pulse_secure_desktop_client	9.0	Yes
Application	pulsesecure	pulse_secure_desktop_client	9.0	Yes
Application	pulsesecure	pulse_secure_desktop_client	9.0	Yes
Application	pulsesecure	pulse_secure_desktop_client	9.0	Yes
Application	pulsesecure	pulse_secure_desktop_client	9.0	Yes
Application	pulsesecure	pulse_secure_desktop_client	9.0	Yes
Application	pulsesecure	pulse_secure_desktop_client	9.0	Yes
Application	pulsesecure	pulse_secure_desktop_client	9.1	Yes
Application	pulsesecure	pulse_secure_desktop_client	9.1	Yes
Application	pulsesecure	pulse_secure_desktop_client	9.1	Yes
Application	pulsesecure	pulse_secure_desktop_client	9.1	Yes
Application	pulsesecure	pulse_secure_desktop_client	9.1	Yes
Application	pulsesecure	pulse_secure_desktop_client	9.1	Yes
Application	pulsesecure	pulse_secure_desktop_client	9.1	Yes
Application	pulsesecure	pulse_secure_desktop_client	9.1	Yes
Application	pulsesecure	pulse_secure_desktop_client	9.1	Yes
Application	pulsesecure	pulse_secure_desktop_client	9.1	Yes
Application	pulsesecure	pulse_secure_installer_service	8.3	Yes
Application	pulsesecure	pulse_secure_installer_service	9.1	Yes
Application	pulsesecure	pulse_secure_installer_service	9.1	Yes

References

http://packetstormsecurity.com/files/158117/Pulse-Secure-Client-For-Windows-Local-Privilege-Escalation.html Third Party Advisory, VDB Entry ([email protected])
http://packetstormsecurity.com/files/159065/Pulse-Secure-Windows-Client-Privilege-Escalation.html Third Party Advisory, VDB Entry ([email protected])
http://seclists.org/fulldisclosure/2020/Jun/25 Mailing List, Third Party Advisory ([email protected])
http://seclists.org/fulldisclosure/2020/Sep/15 Mailing List, Third Party Advisory ([email protected])
https://kb.pulsesecure.net/?atype=sa Vendor Advisory ([email protected])
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44503 Vendor Advisory ([email protected])
https://twitter.com/gsepcali/status/1262551597990711296 Third Party Advisory ([email protected])
https://twitter.com/gsepcali/status/1272927080909623297 Third Party Advisory ([email protected])
https://twitter.com/sepcali/status/1262551597990711296 Third Party Advisory ([email protected])
https://www.redtimmy.com/privilege-escalation/pulse-secure-client-for-windows-9-1-6-toctou-privilege-escalation-cve-2020-13162/ Exploit, Third Party Advisory ([email protected])
http://packetstormsecurity.com/files/158117/Pulse-Secure-Client-For-Windows-Local-Privilege-Escalation.html Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://packetstormsecurity.com/files/159065/Pulse-Secure-Windows-Client-Privilege-Escalation.html Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://seclists.org/fulldisclosure/2020/Jun/25 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://seclists.org/fulldisclosure/2020/Sep/15 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://kb.pulsesecure.net/?atype=sa Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44503 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://twitter.com/gsepcali/status/1262551597990711296 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://twitter.com/gsepcali/status/1272927080909623297 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://twitter.com/sepcali/status/1262551597990711296 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.redtimmy.com/privilege-escalation/pulse-secure-client-for-windows-9-1-6-toctou-privilege-escalation-cve-2020-13162/ Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)