Pulse Secure Desktop Client up to 9.1R8 channel accessible

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CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.04

A vulnerability was found in Pulse Secure Desktop Client up to 9.1R8. It has been classified as critical. This affects an unknown part. The manipulation with an unknown input leads to a privilege escalation vulnerability. CWE is classifying the issue as CWE-300. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

A vulnerability in the Pulse Secure Desktop Client < 9.1R9 could allow the attacker to perform a MITM Attack if end users are convinced to connect to a malicious server.

The weakness was presented 10/28/2020 as SA44601. The advisory is shared at kb.pulsesecure.net. This vulnerability is uniquely identified as CVE-2020-8241 since 01/28/2020. The exploitability is told to be difficult. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1557 for this issue.

Upgrading to version 9.1R9 eliminates this vulnerability.

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VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔒

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

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Exploitinginfoedit

Class: Privilege escalation
CWE: CWE-300
ATT&CK: T1557

Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Remediation: 🔍

Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Desktop Client 9.1R9

Timelineinfoedit

01/28/2020 CVE assigned
10/28/2020 +274 days Advisory disclosed
10/28/2020 +0 days VulDB entry created
11/29/2020 +32 days VulDB last update

Sourcesinfoedit

Advisory: SA44601
Status: Confirmed

CVE: CVE-2020-8241 (🔒)

Entryinfoedit

Created: 10/28/2020 07:25 PM
Updated: 11/29/2020 10:50 PM
Changes: (18) vulnerability_cvss3_nvd_av vulnerability_cvss3_nvd_ac vulnerability_cvss3_nvd_pr vulnerability_cvss3_nvd_ui vulnerability_cvss3_nvd_s vulnerability_cvss3_nvd_c vulnerability_cvss3_nvd_i vulnerability_cvss3_nvd_a vulnerability_cvss2_nvd_av vulnerability_cvss2_nvd_ac vulnerability_cvss2_nvd_au vulnerability_cvss2_nvd_ci vulnerability_cvss2_nvd_ii vulnerability_cvss2_nvd_ai vulnerability_cvss3_meta_basescore vulnerability_cvss3_meta_tempscore vulnerability_cvss2_nvd_basescore vulnerability_cvss3_nvd_basescore
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