CVE-2019-11540

Public Exploit

Description

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.

9.8

CVSS

Severity: Critical

CVSS 3.1 •

CVSS 3.0 •

CVSS 2.0 •

EPSS 22.72% Top 5%

Vendor Advisory pulsesecure.net

Affected: n/a n/a

References

Link	Tags
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44101	third party advisory vendor advisory
http://www.securityfocus.com/bid/108073	third party advisory vdb entry
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0010	third party advisory
https://i.blackhat.com/USA-19/Wednesday/us-19-Tsai-Infiltrating-Corporate-Intranet-Like-NSA.pdf	third party advisory exploit
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/	third party advisory exploit
https://www.kb.cert.org/vuls/id/927237	third party advisory us government resource

Frequently Asked Questions

What is the severity of CVE-2019-11540?: CVE-2019-11540 has been scored as a critical severity vulnerability.
How to fix CVE-2019-11540?: To fix CVE-2019-11540, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-11540 being actively exploited in the wild?: It is possible that CVE-2019-11540 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~23% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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