CVE-2020-8239

CRITICAL

9.8

CVSS Score

Published: October 28, 2020 at 12:46 PM UTC

Updated: June 17, 2026 at 03:26 AM UTC

1 product affected across 1 vendorPulse Secure Desktop Client

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Severity

CRITICAL9.8

Exploit prediction

EPSS 2%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Pulse Secure Desktop Client · Pulsesecure

95%

v < 9.19.1 r1 9.1 r2 9.1 r3 9.1 r3.1 9.1 r4 9.1 r4.1 9.1 r4.2 9.1 r5 9.1 r6 9.1 r7 9.1 r7.1 9.1 r8 9.1 r8.2 9.1R9

Affected range stops below 9.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44601

References (1)

x_refsource_MISCVendor Advisory

Source: [email protected]

https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44601

CVSS

9.8CRITICAL[email protected]

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

NVD-CWE-noinfo

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