CVE-2019-11542

In Pulse Secure Pulse Connect Secure version 9.0RX before 9.0R3.4, 8.3RX before 8.3R7.1, 8.2RX...

8.0 High

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: High
Privileges needed: High
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

65.6%Up 64.0 points since Apr 14, 2021

What each source reports

CVE List Score used 8.0

Record: CVE-2019-11542
CVSS 3.0: 8.0 HighCVSS:3.0/AC:H/AV:N/A:H/C:H/I:H/PR:H/S:C/UI:N
Updated: 2026-11-02

EUVDEUVD-2019-3213 8.0

Record: EUVD-2019-3213
CVSS 3.0: 8.0 HighCVSS:3.0/AC:H/AV:N/A:H/C:H/I:H/PR:H/S:C/UI:N
Updated: 2026-11-03

GitHub AdvisoriesGHSA-2g59-pjjw-j55p 7.2

In Pulse Secure Pulse Connect Secure version 9.0RX before 9.0R3.4, 8.3RX before 8.3R7.1, 8.2RX...

Record: GHSA-2g59-pjjw-j55p
CVSS 3.1: 7.2 HighCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-787
Updated: 2026-11-02

NVD 7.2

Record: CVE-2019-11542
CVSS 3.1: 7.2 HighCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS 3.0: 8.0 HighCVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
CVSS 2.0: 6.5 MediumAV:N/AC:L/Au:S/C:P/I:P/A:P
Weakness: CWE-787
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2019-11542 is a high vulnerability (CVSS 8.0) in Ivanti Connect Secure, published April 26, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 65.6%, the 99th percentile. No source names a fixed version.