Vulnerability identifier: #VU52369

Vulnerability risk: Critical

CVSSv3.1: 9.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:H/RL:O/RC:C]

CVE-ID: CVE-2021-22893

CWE-ID: CWE-287

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Ivanti Connect Secure (formerly Pulse Connect Secure)
Server applications / Remote access servers, VPN

Vendor: Ivanti

Description

The vulnerability allows a remote attacker to bypass authentication process and compromise the affected device.

The vulnerability exists due to multiple issues in web interface. A remote non-authenticated attacker can bypass authentication process and gain unauthorized access to the application via license server web services.

Successful exploitation of the vulnerability may allow an attacker to execute arbitrary code on the system.

Note, the vulnerability is being actively exploited in the wild.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Ivanti Connect Secure (formerly Pulse Connect Secure): 9.0R3 - 9.1R11.3

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

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.