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[email protected]CVE-2020-13162

HistoryJun 16, 2020 - 8:15 p.m.

CVE-2020-13162

2020-06-1620:15:13

CWE-367

[email protected]

web.nvd.nist.gov

cve-2020-13162

pulsesecureservice

vulnerability

windows

nt authority/system

nvd

6.9 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:M/Au:N/C:C/I:C/A:C

7 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

6.6 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

45.1%

JSON

A time-of-check time-of-use vulnerability in PulseSecureService.exe in Pulse Secure Client versions prior to 9.1.6 down to 5.3 R70 for Windows (which runs as NT AUTHORITY/SYSTEM) allows unprivileged users to run a Microsoft Installer executable with elevated privileges.

Affected configurations

NVD

Node

pulsesecurepulse_secure_desktop_clientMatch5.3r1.0windows

pulsesecurepulse_secure_desktop_clientMatch5.3r1.1windows

pulsesecurepulse_secure_desktop_clientMatch5.3r2.0windows

pulsesecurepulse_secure_desktop_clientMatch5.3r3.0windows

pulsesecurepulse_secure_desktop_clientMatch5.3r4.1windows

pulsesecurepulse_secure_desktop_clientMatch5.3r4.2windows

pulsesecurepulse_secure_desktop_clientMatch5.3r5.0windows

pulsesecurepulse_secure_desktop_clientMatch5.3r5.2windows

pulsesecurepulse_secure_desktop_clientMatch5.3r6.0windows

pulsesecurepulse_secure_desktop_clientMatch5.3r7.0windows

pulsesecurepulse_secure_desktop_clientMatch9.0r1.0windows

pulsesecurepulse_secure_desktop_clientMatch9.0r2windows

pulsesecurepulse_secure_desktop_clientMatch9.0r2.1windows

pulsesecurepulse_secure_desktop_clientMatch9.0r3windows

pulsesecurepulse_secure_desktop_clientMatch9.0r3.2windows

pulsesecurepulse_secure_desktop_clientMatch9.0r4windows

pulsesecurepulse_secure_desktop_clientMatch9.0r4.0windows

pulsesecurepulse_secure_desktop_clientMatch9.0r5.0windows

pulsesecurepulse_secure_desktop_clientMatch9.0r6.0windows

pulsesecurepulse_secure_desktop_clientMatch9.1r1.0windows

pulsesecurepulse_secure_desktop_clientMatch9.1r2.0windows

pulsesecurepulse_secure_desktop_clientMatch9.1r3.0windows

pulsesecurepulse_secure_desktop_clientMatch9.1r3.1windows

pulsesecurepulse_secure_desktop_clientMatch9.1r4.0windows

pulsesecurepulse_secure_desktop_clientMatch9.1r4.1windows

pulsesecurepulse_secure_desktop_clientMatch9.1r4.2windows

pulsesecurepulse_secure_desktop_clientMatch9.1r5.0windows

pulsesecurepulse_secure_desktop_clientMatch9.1r6.0windows

pulsesecurepulse_secure_desktop_clientMatch9.1r7.0windows

pulsesecurepulse_secure_installer_serviceMatch8.3windows

pulsesecurepulse_secure_installer_serviceMatch9.1windows

pulsesecurepulse_secure_installer_serviceMatch9.1r5.0windows

CPENameOperatorVersion
pulsesecure:pulse_secure_desktop_clientpulsesecure pulse secure desktop clienteq5.3
pulsesecure:pulse_secure_desktop_clientpulsesecure pulse secure desktop clienteq9.0
pulsesecure:pulse_secure_desktop_clientpulsesecure pulse secure desktop clienteq9.1
pulsesecure:pulse_secure_installer_servicepulsesecure pulse secure installer serviceeq8.3
pulsesecure:pulse_secure_installer_servicepulsesecure pulse secure installer serviceeq9.1

CPE	Name	Operator	Version
pulsesecure:pulse_secure_desktop_client	pulsesecure pulse secure desktop client	eq	5.3
pulsesecure:pulse_secure_desktop_client	pulsesecure pulse secure desktop client	eq	9.0
pulsesecure:pulse_secure_desktop_client	pulsesecure pulse secure desktop client	eq	9.1
pulsesecure:pulse_secure_installer_service	pulsesecure pulse secure installer service	eq	8.3
pulsesecure:pulse_secure_installer_service	pulsesecure pulse secure installer service	eq	9.1

References

packetstormsecurity.com/files/158117/Pulse-Secure-Client-For-Windows-Local-Privilege-Escalation.html

packetstormsecurity.com/files/159065/Pulse-Secure-Windows-Client-Privilege-Escalation.html

seclists.org/fulldisclosure/2020/Jun/25

seclists.org/fulldisclosure/2020/Sep/15

kb.pulsesecure.net/?atype=sa

kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44503

twitter.com/gsepcali/status/1262551597990711296

twitter.com/gsepcali/status/1272927080909623297

twitter.com/sepcali/status/1262551597990711296

www.redtimmy.com/privilege-escalation/pulse-secure-client-for-windows-9-1-6-toctou-privilege-escalation-cve-2020-13162/

6.9 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:M/Au:N/C:C/I:C/A:C

7 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

6.6 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

45.1%

JSON

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