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CVE-2020-8254

HIGH
8.8
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
HIGH8.8
Exploit prediction
EPSS 2%

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.

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 r19.1 r29.1 r39.1 r3.19.1 r49.1 r4.19.1 r4.29.1 r59.1 r69.1 r79.1 r7.19.1 r89.1 r8.29.1R9
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

References (1)

x_refsource_MISCVendor Advisory
Source: [email protected]
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44601

CVSS

8.8HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-23CWE-22

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