#VU31114 Session Fixation in Ivanti Connect Secure (formerly Pulse Connect Secure) - CVE-2019-11213

Vulnerability identifier: #VU31114

Vulnerability risk: High

CVSSv4.0: 7.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2019-11213

CWE-ID: CWE-384

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 non-authenticated attacker to execute arbitrary code.

In Pulse Secure Pulse Desktop Client and Network Connect, an attacker could access session tokens to replay and spoof sessions, and as a result, gain unauthorized access as an end user, a related issue to CVE-2019-1573. (The endpoint would need to be already compromised for exploitation to succeed.) This affects Pulse Desktop Client 5.x before Secure Desktop 5.3R7 and Pulse Desktop Client 9.x before Secure Desktop 9.0R3. It also affects (for Network Connect customers) Pulse Connect Secure 8.1 before 8.1R14, 8.3 before 8.3R7, and 9.0 before 9.0R3.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Ivanti Connect Secure (formerly Pulse Connect Secure): 9.0R1 - 9.0R2.1

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External links
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44114
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44114/
https://www.kb.cert.org/vuls/id/192371

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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.