CVE-2020-13162
mediumpriority · track · 38EPSS 0.008 · 56 %ileexploit · PoCEURUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.6–7
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
exploits (1)
Public proof-of-concept and weaponised exploit code.
- redtimmy/tu-TOCTOU-kaiu-TOCMEU-CVE-2020-13162-Exploit for CVE-2020-13162PoC · poc_in_github
affected products (7)
Products and version ranges known to be affected.
- pulsesecure pulse secure desktop client= 5.3nvdUScpe:2.3:a:pulsesecure:pulse_secure_desktop_client:*:*:*:*:*:*:*:*
- pulsesecure pulse secure desktop client= 9.0nvdUScpe:2.3:a:pulsesecure:pulse_secure_desktop_client:*:*:*:*:*:*:*:*
- pulsesecure pulse secure desktop client= 9.1nvdUScpe:2.3:a:pulsesecure:pulse_secure_desktop_client:*:*:*:*:*:*:*:*
- pulsesecure pulse secure installer service= 8.3nvdUScpe:2.3:a:pulsesecure:pulse_secure_installer_service:*:*:*:*:*:*:*:*
- pulsesecure pulse secure installer service= 9.1nvdUScpe:2.3:a:pulsesecure:pulse_secure_installer_service:*:*:*:*:*:*:*:*
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (36)
External citations — patches, advisories, analysis.
- http://seclists.org/fulldisclosure/2020/Jun/25cnnvd
- http://seclists.org/fulldisclosure/2020/Sep/15cnnvd
- http://www.nsfocus.net/vulndb/47684cnnvd
- https://github.com/sepcalicnnvd
- https://kb.pulsesecure.net/?atype=sacnnvd
- https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44503cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2020-13162cnnvd
- https://packetstormsecurity.com/files/158117/Pulse-Secure-Client-For-Windows-Local-Privilege-Escalation.htmlcnnvd
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan