Vulnerability · Published Jun 16, 2020 · Assigned by mitre
CVE-2020-13162
High 7.0
In plain English
A high-severity security flaw in the affected software. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 57% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Severity (CVSS 3.1)7.0High
Exploit odds (30 days)0.8%top 43.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack tooling1Public PoC
Official 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 products (as reported)
Weakness: CWE-367 · Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
References
- https://kb.pulsesecure.net/?atype=sa x_refsource_MISC
- https://twitter.com/sepcali/status/1262551597990711296 x_refsource_MISC
- 20200616 Pulse Secure Client < 9.1R6 TOCTOU Privilege Escalation (CVE-2020-13162) mailing-list, x_refsource_FULLDISC
- https://www.redtimmy.com/privilege-escalation/pulse-secure-client-for-windows-9-1-6-toctou-privilege-escalation-cve-2020-13162/ x_refsource_MISC
- http://packetstormsecurity.com/files/158117/Pulse-Secure-Client-For-Windows-Local-Privilege-Escalation.html x_refsource_MISC
- https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44503 x_refsource_CONFIRM
- https://twitter.com/gsepcali/status/1262551597990711296 x_refsource_MISC
- https://twitter.com/gsepcali/status/1272927080909623297 x_refsource_MISC
- 20200904 Pulse Secure Windows Client <9.1.6 (CVE-2020-13162) - exploit mailing-list, x_refsource_FULLDISC
- http://packetstormsecurity.com/files/159065/Pulse-Secure-Windows-Client-Privilege-Escalation.html x_refsource_MISC