Multiple vulnerabilities in Pulse Connect Secure and Pulse Policy Secure
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 3 |
| CVE-ID | CVE-2020-8243 CVE-2020-8238 CVE-2020-8256 |
| CWE-ID | CWE-94 CWE-79 CWE-611 |
| Exploitation vector | Network |
| Public exploit | Vulnerability #1 is being exploited in the wild. |
| Vulnerable software Subscribe |
Pulse Connect Secure Server applications / Remote access servers, VPN Pulse Policy Secure Server applications / Remote access servers, VPN |
| Vendor | Pulse Secure |
Security Bulletin
This security bulletin contains information about 3 vulnerabilities.
1) Code Injection
EUVDB-ID: #VU46997
Risk: Low
CVSSv3.1:
CVE-ID: CVE-2020-8243
CWE-ID:
Exploit availability:
DescriptionThe vulnerability allows a remote user to execute arbitrary code on the target system.
The vulnerability exists due to improper input validation in the admin interface. A remote authenticated administrator can upload a specially crafted template and execute arbitrary code on the system.
Install updates from vendor's website.
Vulnerable software versionsPulse Connect Secure: 9.0R1 - 9.1R8.1
Pulse Policy Secure: 9.0R1 - 9.1R8.1
Fixed software versionsCPE2.3 External links
http://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44588/p?pubstatus=o
Q & A
Can this vulnerability be exploited remotely?
How the attacker can exploit this vulnerability?
Is there known malware, which exploits this vulnerability?
2) Cross-site scripting
EUVDB-ID: #VU46998
Risk: Medium
CVSSv3.1:
CVE-ID: CVE-2020-8238
CWE-ID:
Exploit availability:
DescriptionThe disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data in the web interface of PCS/PPS. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
MitigationInstall updates from vendor's website.
Vulnerable software versionsPulse Connect Secure: 9.0R1 - 9.1R8.1
Pulse Policy Secure: 9.0R1 - 9.1R8.1
Fixed software versionsCPE2.3 External links
http://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44588/p?pubstatus=o
Q & A
Can this vulnerability be exploited remotely?
How the attacker can exploit this vulnerability?
Is there known malware, which exploits this vulnerability?
3) XML External Entity injection
EUVDB-ID: #VU46999
Risk: Medium
CVSSv3.1:
CVE-ID: CVE-2020-8256
CWE-ID:
Exploit availability:
DescriptionThe vulnerability allows a remote user to gain access to sensitive information.
The vulnerability exists due to insufficient validation of user-supplied XML input. A remote authenticated user can pass a specially crafted XML code to the affected application and view contents of arbitrary files on the system or initiate requests to external systems.
Successful exploitation of the vulnerability may allow an attacker to view contents of arbitrary file on the server or perform network scanning of internal and external infrastructure.
MitigationInstall updates from vendor's website.
Vulnerable software versionsPulse Connect Secure: 9.0R1 - 9.1R8.1
Fixed software versionsCPE2.3 External links
http://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44588/p?pubstatus=o
Q & A
Can this vulnerability be exploited remotely?
How the attacker can exploit this vulnerability?
Is there known malware, which exploits this vulnerability?
