CVE-2020-13162

CVSS V2 Medium 6.9 CVSS V3 High 7
Description
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.
Overview
  • CVE ID
  • CVE-2020-13162
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-06-16T20:15:13
  • Last Modified Date
  • 2023-03-01T16:02:05
Weakness Enumerations
CWE URL
CWE-367 http://cwe.mitre.org/data/definitions/367.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:5.3:r1.0:*:*:*:windows:*:* 1 OR
cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:5.3:r1.1:*:*:*:windows:*:* 1 OR
cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:5.3:r2.0:*:*:*:windows:*:* 1 OR
cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:5.3:r3.0:*:*:*:windows:*:* 1 OR
cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:5.3:r4.1:*:*:*:windows:*:* 1 OR
cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:5.3:r4.2:*:*:*:windows:*:* 1 OR
cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:5.3:r5.0:*:*:*:windows:*:* 1 OR
cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:5.3:r5.2:*:*:*:windows:*:* 1 OR
cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:5.3:r6.0:*:*:*:windows:*:* 1 OR
cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:5.3:r7.0:*:*:*:windows:*:* 1 OR
cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.0:r1.0:*:*:*:windows:*:* 1 OR
cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.0:r2:*:*:*:windows:*:* 1 OR
cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.0:r2.1:*:*:*:windows:*:* 1 OR
cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.0:r3:*:*:*:windows:*:* 1 OR
cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.0:r3.2:*:*:*:windows:*:* 1 OR
cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.0:r4:*:*:*:windows:*:* 1 OR
cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.0:r4.0:*:*:*:windows:*:* 1 OR
cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.0:r5.0:*:*:*:windows:*:* 1 OR
cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.0:r6.0:*:*:*:windows:*:* 1 OR
cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:r1.0:*:*:*:windows:*:* 1 OR
cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:r2.0:*:*:*:windows:*:* 1 OR
cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:r3.0:*:*:*:windows:*:* 1 OR
cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:r3.1:*:*:*:windows:*:* 1 OR
cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:r4.0:*:*:*:windows:*:* 1 OR
cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:r4.1:*:*:*:windows:*:* 1 OR
cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:r4.2:*:*:*:windows:*:* 1 OR
cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:r5.0:*:*:*:windows:*:* 1 OR
cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:r6.0:*:*:*:windows:*:* 1 OR
cpe:2.3:a:pulsesecure:pulse_secure_desktop_client:9.1:r7.0:*:*:*:windows:*:* 1 OR
cpe:2.3:a:pulsesecure:pulse_secure_installer_service:8.3:*:*:*:*:windows:*:* 1 OR
cpe:2.3:a:pulsesecure:pulse_secure_installer_service:9.1:*:*:*:*:windows:*:* 1 OR
cpe:2.3:a:pulsesecure:pulse_secure_installer_service:9.1:r5.0:*:*:*:windows:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:M/Au:N/C:C/I:C/A:C
  • Access Vector
  • LOCAL
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • COMPLETE
  • Integrity Impact
  • COMPLETE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 6.9
  • Severity
  • MEDIUM
  • Exploitability Score
  • 3.4
  • Impact Score
  • 10
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • HIGH
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 7
  • Base Severity
  • HIGH
  • Exploitability Score
  • 1
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://www.redtimmy.com/privilege-escalation/pulse-secure-client-for-windows-9-1-6-toctou-privilege-escalation-cve-2020-13162/ Exploit Third Party Advisory
https://kb.pulsesecure.net/?atype=sa Vendor Advisory
https://twitter.com/sepcali/status/1262551597990711296 Third Party Advisory
http://packetstormsecurity.com/files/158117/Pulse-Secure-Client-For-Windows-Local-Privilege-Escalation.html Third Party Advisory VDB Entry
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44503 Vendor Advisory
https://twitter.com/gsepcali/status/1272927080909623297 Third Party Advisory
http://seclists.org/fulldisclosure/2020/Jun/25 Mailing List Third Party Advisory
https://twitter.com/gsepcali/status/1262551597990711296 Third Party Advisory
http://seclists.org/fulldisclosure/2020/Sep/15
http://packetstormsecurity.com/files/159065/Pulse-Secure-Windows-Client-Privilege-Escalation.html
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-13162
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-13162
History
Created Old Value New Value Data Type Notes
2022-05-10 16:26:50 Added to TrackCVE
2022-12-04 18:08:29 2020-06-16T20:15Z 2020-06-16T20:15:13 CVE Published Date updated
2022-12-04 18:08:29 2020-09-04T22:15:12 CVE Modified Date updated
2022-12-04 18:08:29 Modified Vulnerability Status updated
2022-12-28 16:12:01 Modified Undergoing Analysis Vulnerability Status updated
2023-03-01 17:10:44 2023-03-01T16:02:05 CVE Modified Date updated
2023-03-01 17:10:44 Undergoing Analysis Analyzed Vulnerability Status updated