VulnerabilityModified

CVE-2020-8254

A vulnerability in the Pulse Secure Desktop Client < 9.1R9 has Remote Code Execution (RCE) if users can be convinced to connect to a malicious server.

HIGH 8.8EPSS 2.12%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (2.12%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

A vulnerability in the Pulse Secure Desktop Client < 9.1R9 has Remote Code Execution (RCE) if users can be convinced to connect to a malicious server. This vulnerability only affects Windows PDC.To improve the security of connections between Pulse clients and Pulse Connect Secure, see below recommendation(s):Disable Dynamic certificate trust for PDC.

CVSS 3.1: 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS: 2.12% probability · 81th percentile
CISA KEV: Not listed
Weakness: CWE-23, CWE-22
Affected: pulsesecure/pulse secure desktop client
Source: support@hackerone.com

References

https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44601Vendor Advisory
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44601Vendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.