#VU52875 OS Command Injection in Pulse Connect Secure


Published: 2021-05-05 | Updated: 2022-02-20

Vulnerability identifier: #VU52875

Vulnerability risk: Medium

CVSSv3.1: 8.4 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C]

CVE-ID: CVE-2021-22899

CWE-ID: CWE-78

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Pulse Connect Secure
Server applications / Remote access servers, VPN

Vendor: Pulse Secure

Description

The vulnerability allows a remote user to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation. A remote user can send a specially crafted request and execute arbitrary OS commands on the target system via Windows File Resource Profiles.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Pulse Connect Secure: 9.0R1 - 9.1R11.3


External links
http://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44784/p?pubstatus=o


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.


Latest bulletins with this vulnerability