#VU52874 Buffer overflow in Pulse Connect Secure

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

Vulnerability identifier: #VU52874

Vulnerability risk: Medium

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

CVE-ID: CVE-2021-22894


Exploitation vector: Network

Exploit availability: No

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

Vendor: Pulse Secure


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

The vulnerability exists due to a boundary error in Pulse Connect Secure Collaboration Suite. A remote user can trigger memory corruption and execute arbitrary code on the target system as the root user via a maliciously crafted meeting room.

Install updates from vendor's website.

Vulnerable software versions

Pulse Connect Secure: 9.0R1 - 9.1R11.3

External links

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