Critical severity · published Apr 6, 2020
CVE-2020-11580
An issue was discovered in Pulse Secure Pulse Connect Secure (PCS) through 2020-04-06
9.1
CVSS
1.1%
EPSS
No
On KEV
Description
An issue was discovered in Pulse Secure Pulse Connect Secure (PCS) through 2020-04-06. The applet in tncc.jar, executed on macOS, Linux, and Solaris clients when a Host Checker policy is enforced, accepts an arbitrary SSL certificate.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 65% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PC
Pulse Connect Secure · Pulsesecure
through 2020-04-06 · source: NVD
PP
Pulse Policy Secure · Pulsesecure
through 2020-04-06 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-11580
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-11580
Exploit
https://git.lsd.cat/g/pulse-host-checker-rce
Vendor Advisory
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44426
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