CVE-2019-11540: Critical severity ivanti pulse connect secure vulnerability

Published Apr 26, 2019
·
Updated

In Pulse Secure Pulse Connect Secure version 9.0RX before 9.0R3.4 and 8.3RX before 8.3R7.1 and Pulse Policy Secure version 9.0RX before 9.0R3.2 and 5.4RX before 5.4R7.1, an unauthenticated, remote attacker can conduct a session hijacking attack.

Affected Software

27 affected components
PulseSecure Pulse Connect Secure=8.3
PulseSecure Pulse Connect Secure=8.3rx
PulseSecure Pulse Connect Secure=9.0r1
PulseSecure Pulse Connect Secure=9.0r2
PulseSecure Pulse Connect Secure=9.0r2.1
PulseSecure Pulse Connect Secure=9.0r3
PulseSecure Pulse Connect Secure=9.0r3.1
PulseSecure Pulse Connect Secure=9.0r3.2
PulseSecure Pulse Connect Secure=9.0rx
PulseSecure Pulse Policy Secure=5.4r1
PulseSecure Pulse Policy Secure=5.4r2
PulseSecure Pulse Policy Secure=5.4r2.1
PulseSecure Pulse Policy Secure=5.4r3
PulseSecure Pulse Policy Secure=5.4r4
PulseSecure Pulse Policy Secure=5.4r5
PulseSecure Pulse Policy Secure=5.4r5.2
PulseSecure Pulse Policy Secure=5.4r6
PulseSecure Pulse Policy Secure=5.4r6.1
PulseSecure Pulse Policy Secure=5.4r7
PulseSecure Pulse Policy Secure=5.4rx
PulseSecure Pulse Policy Secure=9.0r1
PulseSecure Pulse Policy Secure=9.0r2
PulseSecure Pulse Policy Secure=9.0r2.1
PulseSecure Pulse Policy Secure=9.0r3
PulseSecure Pulse Policy Secure=9.0r3.1
PulseSecure Pulse Policy Secure=9.0rx
Ivanti Connect Secure=8.3

Event History

Apr 26, 2019
CVE Published
via MITRE·01:39 AM
Data Sourced
via MITRE·01:39 AM
DescriptionSeverity
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Frequently Asked Questions

1

What is CVE-2019-11540?

CVE-2019-11540 is a vulnerability in Pulse Secure Pulse Connect Secure version 9.0RX before 9.0R3.4 and 8.3RX before 8.3R7.1 and Pulse Policy Secure version 9.0RX before 9.0R3.2 and 5.4RX before 5.4R7.1.

2

How severe is CVE-2019-11540?

CVE-2019-11540 has a severity level of 9.8 (critical).

3

What are the affected software versions of CVE-2019-11540?

The affected software versions of CVE-2019-11540 include Pulse Connect Secure 8.3, Pulse Connect Secure 8.3RX, Pulse Connect Secure 9.0r1, Pulse Connect Secure 9.0r2, Pulse Connect Secure 9.0r2.1, Pulse Connect Secure 9.0r3, Pulse Connect Secure 9.0r3.1, Pulse Connect Secure 9.0r3.2, Pulse Connect Secure 9.0rx, Pulse Policy Secure 5.4r1, Pulse Policy Secure 5.4r2, Pulse Policy Secure 5.4r2.1, Pulse Policy Secure 5.4r3, Pulse Policy Secure 5.4r4, Pulse Policy Secure 5.4r5, Pulse Policy Secure 5.4r5.2, Pulse Policy Secure 5.4r6, Pulse Policy Secure 5.4r6.1, Pulse Policy Secure 5.4r7, Pulse Policy Secure 5.4rx, Pulse Policy Secure 9.0r1, Pulse Policy Secure 9.0r2, Pulse Policy Secure 9.0r2.1, Pulse Policy Secure 9.0r3, Pulse Policy Secure 9.0r3.1, Pulse Policy Secure 9.0rx.

4

How can an attacker exploit CVE-2019-11540?

An unauthenticated, remote attacker can conduct a session hijacking attack using CVE-2019-11540.

5

Where can I find more information about CVE-2019-11540?

You can find more information about CVE-2019-11540 at the following references: [1] http://www.securityfocus.com/bid/108073 [2] https://devco.re/blog/2019/09/02/attacking-ssl-vpn-part-3-the-golden-Pulse-Secure-ssl-vpn-rce-chain-with-Twitter-as-case-study/ [3] https://i.blackhat.com/USA-19/Wednesday/us-19-Tsai-Infiltrating-Corporate-Intranet-Like-NSA.pdf

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