What’s Vulnerable › Vulnerabilities

CVE-2019-11542

• Severity: high (CVSS 7.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 65.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-04-26 · updated 2026-06-17
• Weakness: CWE-787

Description

In Pulse Secure Pulse Connect Secure version 9.0RX before 9.0R3.4, 8.3RX before 8.3R7.1, 8.2RX before 8.2R12.1, and 8.1RX before 8.1R15.1 and Pulse Policy Secure version 9.0RX before 9.0R3.2, 5.4RX before 5.4R7.1, 5.3RX before 5.3R12.1, 5.2RX before 5.2R12.1, and 5.1RX before 5.1R15.1, an authenticated attacker (via the admin web interface) can send a specially crafted message resulting in a stack buffer overflow.

Affected products

• Ivanti Connect Secure (Pulse Secure): 8.1, 8.2, 8.3
• Ivanti Connect Secure (Pulse Secure): 8.1r1.0, 8.2r1.0, 8.2r1.1, 8.2r2.0, 8.2r3.0, 8.2r3.1 (+16)
• Pulsesecure Pulse Policy Secure: 5.1r1.0, 5.1r1.1, 5.1r2.0, 5.1r2.1, 5.1r3.0, 5.1r3.2 (+66)

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

Get alerted when CVE-2019-11542 or the next vulnerability affects your stack