Is CVE-2019-11542 being actively exploited?

CVE-2019-11542 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2019-11542?

CVE-2019-11542 has a CVSS 3.1 base score of 7.2 (HIGH).

CVE-2019-11542

HIGH · CVSS 7.2EPSS 65.6%EU EUVD

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.

Key facts

CVSS score: 7.2 (v3.1)
Severity: HIGH
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-787
EPSS score: 65.6% (99th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2019-3213)
Published: April 26, 2019
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2019-3213 in the EU Vulnerability Database. Last updated in EUVD on August 4, 2024.

View on the EU Vulnerability Database

Affected products

ivanti / connect secure
ivanti / connect secure
ivanti / connect secure
pulsesecure / pulse connect secure
pulsesecure / pulse connect secure
pulsesecure / pulse connect secure
pulsesecure / pulse connect secure
pulsesecure / pulse connect secure
pulsesecure / pulse connect secure
pulsesecure / pulse connect secure
pulsesecure / pulse connect secure
pulsesecure / pulse connect secure
pulsesecure / pulse connect secure
pulsesecure / pulse connect secure
pulsesecure / pulse connect secure
pulsesecure / pulse connect secure
pulsesecure / pulse connect secure
pulsesecure / pulse connect secure
pulsesecure / pulse connect secure
pulsesecure / pulse connect secure
pulsesecure / pulse connect secure
pulsesecure / pulse connect secure
pulsesecure / pulse connect secure
pulsesecure / pulse connect secure
pulsesecure / pulse connect secure
pulsesecure / pulse policy secure
pulsesecure / pulse policy secure
pulsesecure / pulse policy secure
pulsesecure / pulse policy secure
pulsesecure / pulse policy secure
pulsesecure / pulse policy secure
pulsesecure / pulse policy secure
pulsesecure / pulse policy secure
pulsesecure / pulse policy secure
pulsesecure / pulse policy secure
pulsesecure / pulse policy secure
pulsesecure / pulse policy secure
pulsesecure / pulse policy secure
pulsesecure / pulse policy secure
pulsesecure / pulse policy secure
pulsesecure / pulse policy secure
pulsesecure / pulse policy secure
pulsesecure / pulse policy secure
pulsesecure / pulse policy secure
pulsesecure / pulse policy secure
pulsesecure / pulse policy secure
pulsesecure / pulse policy secure
pulsesecure / pulse policy secure
pulsesecure / pulse policy secure
pulsesecure / pulse policy secure

and 47 more…

Certified products that may be affected

2 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.

Pulse Connect Secure 8.2 on Virtual Appliance and Pulse Policy Secure 5.3 on Virtual Appliance - Pulse Secure, LLC - Common Criteria CCEVS-VR-VID-10829-2018 - archived
Pulse Policy Secure v5.3 - Pulse Secure, LLC - Common Criteria CCEVS-VR-VID-10785-2017 - archived

References

http://www.securityfocus.com/bid/108073(Broken Link, Third Party Advisory, VDB Entry)
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/(Exploit, Third Party Advisory)
https://i.blackhat.com/USA-19/Wednesday/us-19-Tsai-Infiltrating-Corporate-Intranet-Like-NSA.pdf(Exploit, Third Party Advisory)
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44101(Vendor Advisory)
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0010(Third Party Advisory)
https://www.kb.cert.org/vuls/id/927237(Third Party Advisory, US Government Resource)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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