#VU35775 Inadequate Encryption Strength in Ivanti Connect Secure (formerly Pulse Connect Secure) and Ivanti Policy Secure (formerly Pulse Policy Secure) - CVE-2018-20810

Vulnerability identifier: #VU35775

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2018-20810

CWE-ID: CWE-326

Exploitation vector: 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 non-authenticated attacker to execute arbitrary code.

Session data between cluster nodes during cluster synchronization is not properly encrypted in Pulse Secure Pulse Connect Secure (PCS) 8.3RX before 8.3R2 and Pulse Policy Secure (PPS) 5.4RX before 5.4R2. This is not applicable to PCS 8.1RX, PPS 5.2RX, or stand-alone devices.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Ivanti Connect Secure (formerly Pulse Connect Secure): 8.3

Ivanti Policy Secure (formerly Pulse Policy Secure): 5.4 - 8.3

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External links
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA43877/

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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?

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