8.8
HIGH
CVE-2020-8254
Pulse Secure Desktop Client Remote Code Execution
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.

INFO

Published Date :

Oct. 28, 2020, 1:15 p.m.

Last Modified :

Nov. 3, 2020, 4:17 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

2.8
Public PoC/Exploit Available at Github

CVE-2020-8254 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2020-8254 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Pulsesecure pulse_secure_desktop_client
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2020-8254.

URL Resource
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44601 Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

CVE-2020-8254: Zip Slip in Pulse Secure VPN Windows Client

0-day cve cves remote-code-execution zip-slip cve-2020-8254 user-interaction

Updated: 9 months, 3 weeks ago
0 stars 0 fork 0 watcher
Born at : Nov. 26, 2023, 1:42 p.m. This repo has been linked 1 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-8254 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-8254 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Nov. 03, 2020

    Action Type Old Value New Value
    Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism
    Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Changed Reference Type https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44601 No Types Assigned https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44601 Vendor Advisory
    Added CWE NIST CWE-22
    Added CPE Configuration OR *cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:*:*:*:*:*:windows:*:* versions up to (excluding) 9.1 *cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:r1:*:*:*:windows:*:* *cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:r2:*:*:*:windows:*:* *cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:r3:*:*:*:windows:*:* *cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:r3.1:*:*:*:windows:*:* *cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:r4:*:*:*:windows:*:* *cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:r4.1:*:*:*:windows:*:* *cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:r4.2:*:*:*:windows:*:* *cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:r5:*:*:*:windows:*:* *cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:r6:*:*:*:windows:*:* *cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:r7:*:*:*:windows:*:* *cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:r7.1:*:*:*:windows:*:* *cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:r8:*:*:*:windows:*:* *cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:r8.2:*:*:*:windows:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-8254 is associated with the following CWEs:

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.38 }} 0.04%

score

0.73260

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability