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High severity · published Jun 16, 2020
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)…
7.0
CVSS
0.8%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 56% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PS
Pulse Secure Desktop Client · Pulsesecure
5.3; 5.3; 5.3; 5.3; 5.3; 5.3; +23 more · source: NVD
PS
Pulse Secure Installer Service · Pulsesecure
8.3; 9.1; 9.1 · source: NVD
Affected product
PS
Pulse Secure Desktop Client
Pulsesecure
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-13162
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-13162
Third Party Advisory
http://packetstormsecurity.com/files/158117/Pulse-Secure-Client-For-Windows-Local-Privilege-Escalation.html
Third Party Advisory
http://packetstormsecurity.com/files/159065/Pulse-Secure-Windows-Client-Privilege-Escalation.html
Mailing List
http://seclists.org/fulldisclosure/2020/Jun/25
Mailing List
http://seclists.org/fulldisclosure/2020/Sep/15
Vendor Advisory
https://kb.pulsesecure.net/?atype=sa
Vendor Advisory
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44503
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