#VU26748 Improper Certificate Validation in Ivanti Connect Secure (formerly Pulse Connect Secure) and Ivanti Policy Secure (formerly Pulse Policy Secure)


Published: 2020-04-09

Vulnerability identifier: #VU26748

Vulnerability risk: Medium

CVSSv3.1: 5 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:U/RC:C]

CVE-ID: CVE-2020-11580

CWE-ID: CWE-295

Exploitation vector: Local network

Exploit availability: No

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

Vendor: Ivanti

Description

The vulnerability allows a remote attacker to perform a man-in-the-middle (MitM) attack.

The vulnerability exists due to tncc.jar applet accept an arbitrary SSL certificate. A remote attacker can perform a MitM attack.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Ivanti Connect Secure (formerly Pulse Connect Secure): All versions

Ivanti Policy Secure (formerly Pulse Policy Secure): All versions


External links
http://git.lsd.cat/g/pulse-host-checker-rce
http://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44426


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability