Critical severity · published Oct 28, 2020
CVE-2020-8239
A vulnerability in the Pulse Secure Desktop Client < 9.1R9 is vulnerable to the client registry privilege escalation attack
9.8
CVSS
2%
EPSS
No
On KEV
Description
A vulnerability in the Pulse Secure Desktop Client < 9.1R9 is vulnerable to the client registry privilege escalation attack. This fix also requires Server Side Upgrade due to Standalone Host Checker Client (Windows) and Windows PDC.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.0% · higher than 81% 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
before 9.1; 9.1; 9.1; 9.1; 9.1; 9.1; +8 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-8239
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-8239
Vendor Advisory
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44601
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