CVE-2020-13162
Pulse Secure Client for Windows Local Privilege Escalation
Severity Score
7.0
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
3
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
Attend
*SSVC
Descriptions
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.
Una vulnerabilidad de tipo time-of-check time-of-use en el archivo PulseSecureService.exe en Pulse Secure Client versiones anteriores a 9.1.6 hasta 5.3 R70 para Windows (que se ejecuta como NT AUTHORITY/SYSTEM), permite a los usuarios sin privilegios correr un ejecutable de Microsoft Installer con privilegios elevados
Red Timmy Sec has discovered that Pulse Secure Client for Windows suffers from a local privilege escalation vulnerability in the PulseSecureService.exe service.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:Attend
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2020-05-19 CVE Reserved
- 2020-06-16 CVE Published
- 2020-09-02 First Exploit
- 2025-05-05 CVE Updated
- 2025-11-21 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition
CAPEC
References (12)
| URL | Tag | Source |
|---|---|---|
| http://packetstormsecurity.com/files/158117/Pulse-Secure-Client-For-Windows-Local-Privilege-Escalation.html | Third Party Advisory |
|
| http://packetstormsecurity.com/files/159065/Pulse-Secure-Windows-Client-Privilege-Escalation.html | Third Party Advisory |
|
| http://seclists.org/fulldisclosure/2020/Jun/25 | Mailing List |
|
| http://seclists.org/fulldisclosure/2020/Sep/15 | Mailing List |
|
| https://twitter.com/gsepcali/status/1262551597990711296 | Third Party Advisory | |
| https://twitter.com/gsepcali/status/1272927080909623297 | Third Party Advisory | |
| https://twitter.com/sepcali/status/1262551597990711296 | Third Party Advisory |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://kb.pulsesecure.net/?atype=sa | 2023-03-01 | |
| https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44503 | 2023-03-01 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Pulsesecure Search vendor "Pulsesecure" | Pulse Secure Desktop Client Search vendor "Pulsesecure" for product "Pulse Secure Desktop Client" | 5.3 Search vendor "Pulsesecure" for product "Pulse Secure Desktop Client" and version "5.3" | r1.0, windows |
Affected
| ||||||
| Pulsesecure Search vendor "Pulsesecure" | Pulse Secure Desktop Client Search vendor "Pulsesecure" for product "Pulse Secure Desktop Client" | 5.3 Search vendor "Pulsesecure" for product "Pulse Secure Desktop Client" and version "5.3" | r1.1, windows |
Affected
| ||||||
| Pulsesecure Search vendor "Pulsesecure" | Pulse Secure Desktop Client Search vendor "Pulsesecure" for product "Pulse Secure Desktop Client" | 5.3 Search vendor "Pulsesecure" for product "Pulse Secure Desktop Client" and version "5.3" | r2.0, windows |
Affected
| ||||||
| Pulsesecure Search vendor "Pulsesecure" | Pulse Secure Desktop Client Search vendor "Pulsesecure" for product "Pulse Secure Desktop Client" | 5.3 Search vendor "Pulsesecure" for product "Pulse Secure Desktop Client" and version "5.3" | r3.0, windows |
Affected
| ||||||
| Pulsesecure Search vendor "Pulsesecure" | Pulse Secure Desktop Client Search vendor "Pulsesecure" for product "Pulse Secure Desktop Client" | 5.3 Search vendor "Pulsesecure" for product "Pulse Secure Desktop Client" and version "5.3" | r4.1, windows |
Affected
| ||||||
| Pulsesecure Search vendor "Pulsesecure" | Pulse Secure Desktop Client Search vendor "Pulsesecure" for product "Pulse Secure Desktop Client" | 5.3 Search vendor "Pulsesecure" for product "Pulse Secure Desktop Client" and version "5.3" | r4.2, windows |
Affected
| ||||||
| Pulsesecure Search vendor "Pulsesecure" | Pulse Secure Desktop Client Search vendor "Pulsesecure" for product "Pulse Secure Desktop Client" | 5.3 Search vendor "Pulsesecure" for product "Pulse Secure Desktop Client" and version "5.3" | r5.0, windows |
Affected
| ||||||
| Pulsesecure Search vendor "Pulsesecure" | Pulse Secure Desktop Client Search vendor "Pulsesecure" for product "Pulse Secure Desktop Client" | 5.3 Search vendor "Pulsesecure" for product "Pulse Secure Desktop Client" and version "5.3" | r5.2, windows |
Affected
| ||||||
| Pulsesecure Search vendor "Pulsesecure" | Pulse Secure Desktop Client Search vendor "Pulsesecure" for product "Pulse Secure Desktop Client" | 5.3 Search vendor "Pulsesecure" for product "Pulse Secure Desktop Client" and version "5.3" | r6.0, windows |
Affected
| ||||||
| Pulsesecure Search vendor "Pulsesecure" | Pulse Secure Desktop Client Search vendor "Pulsesecure" for product "Pulse Secure Desktop Client" | 5.3 Search vendor "Pulsesecure" for product "Pulse Secure Desktop Client" and version "5.3" | r7.0, windows |
Affected
| ||||||
| Pulsesecure Search vendor "Pulsesecure" | Pulse Secure Desktop Client Search vendor "Pulsesecure" for product "Pulse Secure Desktop Client" | 9.0 Search vendor "Pulsesecure" for product "Pulse Secure Desktop Client" and version "9.0" | r1.0, windows |
Affected
| ||||||
| Pulsesecure Search vendor "Pulsesecure" | Pulse Secure Desktop Client Search vendor "Pulsesecure" for product "Pulse Secure Desktop Client" | 9.0 Search vendor "Pulsesecure" for product "Pulse Secure Desktop Client" and version "9.0" | r2, windows |
Affected
| ||||||
| Pulsesecure Search vendor "Pulsesecure" | Pulse Secure Desktop Client Search vendor "Pulsesecure" for product "Pulse Secure Desktop Client" | 9.0 Search vendor "Pulsesecure" for product "Pulse Secure Desktop Client" and version "9.0" | r2.1, windows |
Affected
| ||||||
| Pulsesecure Search vendor "Pulsesecure" | Pulse Secure Desktop Client Search vendor "Pulsesecure" for product "Pulse Secure Desktop Client" | 9.0 Search vendor "Pulsesecure" for product "Pulse Secure Desktop Client" and version "9.0" | r3, windows |
Affected
| ||||||
| Pulsesecure Search vendor "Pulsesecure" | Pulse Secure Desktop Client Search vendor "Pulsesecure" for product "Pulse Secure Desktop Client" | 9.0 Search vendor "Pulsesecure" for product "Pulse Secure Desktop Client" and version "9.0" | r3.2, windows |
Affected
| ||||||
| Pulsesecure Search vendor "Pulsesecure" | Pulse Secure Desktop Client Search vendor "Pulsesecure" for product "Pulse Secure Desktop Client" | 9.0 Search vendor "Pulsesecure" for product "Pulse Secure Desktop Client" and version "9.0" | r4, windows |
Affected
| ||||||
| Pulsesecure Search vendor "Pulsesecure" | Pulse Secure Desktop Client Search vendor "Pulsesecure" for product "Pulse Secure Desktop Client" | 9.0 Search vendor "Pulsesecure" for product "Pulse Secure Desktop Client" and version "9.0" | r4.0, windows |
Affected
| ||||||
| Pulsesecure Search vendor "Pulsesecure" | Pulse Secure Desktop Client Search vendor "Pulsesecure" for product "Pulse Secure Desktop Client" | 9.0 Search vendor "Pulsesecure" for product "Pulse Secure Desktop Client" and version "9.0" | r5.0, windows |
Affected
| ||||||
| Pulsesecure Search vendor "Pulsesecure" | Pulse Secure Desktop Client Search vendor "Pulsesecure" for product "Pulse Secure Desktop Client" | 9.0 Search vendor "Pulsesecure" for product "Pulse Secure Desktop Client" and version "9.0" | r6.0, windows |
Affected
| ||||||
| Pulsesecure Search vendor "Pulsesecure" | Pulse Secure Desktop Client Search vendor "Pulsesecure" for product "Pulse Secure Desktop Client" | 9.1 Search vendor "Pulsesecure" for product "Pulse Secure Desktop Client" and version "9.1" | r1.0, windows |
Affected
| ||||||
| Pulsesecure Search vendor "Pulsesecure" | Pulse Secure Desktop Client Search vendor "Pulsesecure" for product "Pulse Secure Desktop Client" | 9.1 Search vendor "Pulsesecure" for product "Pulse Secure Desktop Client" and version "9.1" | r2.0, windows |
Affected
| ||||||
| Pulsesecure Search vendor "Pulsesecure" | Pulse Secure Desktop Client Search vendor "Pulsesecure" for product "Pulse Secure Desktop Client" | 9.1 Search vendor "Pulsesecure" for product "Pulse Secure Desktop Client" and version "9.1" | r3.0, windows |
Affected
| ||||||
| Pulsesecure Search vendor "Pulsesecure" | Pulse Secure Desktop Client Search vendor "Pulsesecure" for product "Pulse Secure Desktop Client" | 9.1 Search vendor "Pulsesecure" for product "Pulse Secure Desktop Client" and version "9.1" | r3.1, windows |
Affected
| ||||||
| Pulsesecure Search vendor "Pulsesecure" | Pulse Secure Desktop Client Search vendor "Pulsesecure" for product "Pulse Secure Desktop Client" | 9.1 Search vendor "Pulsesecure" for product "Pulse Secure Desktop Client" and version "9.1" | r4.0, windows |
Affected
| ||||||
| Pulsesecure Search vendor "Pulsesecure" | Pulse Secure Desktop Client Search vendor "Pulsesecure" for product "Pulse Secure Desktop Client" | 9.1 Search vendor "Pulsesecure" for product "Pulse Secure Desktop Client" and version "9.1" | r4.1, windows |
Affected
| ||||||
| Pulsesecure Search vendor "Pulsesecure" | Pulse Secure Desktop Client Search vendor "Pulsesecure" for product "Pulse Secure Desktop Client" | 9.1 Search vendor "Pulsesecure" for product "Pulse Secure Desktop Client" and version "9.1" | r4.2, windows |
Affected
| ||||||
| Pulsesecure Search vendor "Pulsesecure" | Pulse Secure Desktop Client Search vendor "Pulsesecure" for product "Pulse Secure Desktop Client" | 9.1 Search vendor "Pulsesecure" for product "Pulse Secure Desktop Client" and version "9.1" | r5.0, windows |
Affected
| ||||||
| Pulsesecure Search vendor "Pulsesecure" | Pulse Secure Desktop Client Search vendor "Pulsesecure" for product "Pulse Secure Desktop Client" | 9.1 Search vendor "Pulsesecure" for product "Pulse Secure Desktop Client" and version "9.1" | r6.0, windows |
Affected
| ||||||
| Pulsesecure Search vendor "Pulsesecure" | Pulse Secure Desktop Client Search vendor "Pulsesecure" for product "Pulse Secure Desktop Client" | 9.1 Search vendor "Pulsesecure" for product "Pulse Secure Desktop Client" and version "9.1" | r7.0, windows |
Affected
| ||||||
| Pulsesecure Search vendor "Pulsesecure" | Pulse Secure Installer Service Search vendor "Pulsesecure" for product "Pulse Secure Installer Service" | 8.3 Search vendor "Pulsesecure" for product "Pulse Secure Installer Service" and version "8.3" | windows |
Affected
| ||||||
| Pulsesecure Search vendor "Pulsesecure" | Pulse Secure Installer Service Search vendor "Pulsesecure" for product "Pulse Secure Installer Service" | 9.1 Search vendor "Pulsesecure" for product "Pulse Secure Installer Service" and version "9.1" | windows |
Affected
| ||||||
| Pulsesecure Search vendor "Pulsesecure" | Pulse Secure Installer Service Search vendor "Pulsesecure" for product "Pulse Secure Installer Service" | 9.1 Search vendor "Pulsesecure" for product "Pulse Secure Installer Service" and version "9.1" | r5.0, windows |
Affected
| ||||||