What’s Vulnerable › Vulnerabilities

CVE-2019-11540

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 7.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-04-26 · updated 2026-06-17

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.

Affected products

• Ivanti Connect Secure (Pulse Secure): 8.3
• Ivanti Connect Secure (Pulse Secure): 8.3rx, 9.0r1, 9.0r2, 9.0r2.1, 9.0r3, 9.0r3.1 (+2)
• Pulsesecure Pulse Policy Secure: 5.4r1, 5.4r2, 5.4r2.1, 5.4r3, 5.4r4, 5.4r5 (+11)

References

• http://www.securityfocus.com/bid/108073
• 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/
• https://i.blackhat.com/USA-19/Wednesday/us-19-Tsai-Infiltrating-Corporate-Intranet-Like-NSA.pdf
• https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44101
• https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0010
• https://www.kb.cert.org/vuls/id/927237
• http://www.securityfocus.com/bid/108073
• 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/
• https://i.blackhat.com/USA-19/Wednesday/us-19-Tsai-Infiltrating-Corporate-Intranet-Like-NSA.pdf
• https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44101
• https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0010
• https://www.kb.cert.org/vuls/id/927237

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