#VU27041 Improper access control in Ivanti Connect Secure (formerly Pulse Connect Secure) and Ivanti Policy Secure (formerly Pulse Policy Secure) - CVE-2019-11509

Vulnerability identifier: #VU27041

Vulnerability risk: Medium

CVSSv4.0: 4.8 [CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-11509

CWE-ID: CWE-284

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 attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions within the admin web interface in Pulse Connect Secure and Pulse Policy Secure. A remote authenticated user can bypass implemented security restrictions and execute arbitrary system commands on the appliance.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Ivanti Connect Secure (formerly Pulse Connect Secure): 8.1R1.0 - 9.0R3.2

Ivanti Policy Secure (formerly Pulse Policy Secure): 5.1R1.0 - 9.0R3.1

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External links
https://kb.pulsesecure.net/?atype=sa
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44101/
https://www.kb.cert.org/vuls/id/927237

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Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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