CVE-2019-11539
HighExploitedPublic exploitIn 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…
Published Apr 25, 2019 · Updated Nov 6, 2025
Key Facts
Patch immediately- CVE-2019-11539 is a high-severity vulnerability (CVSS 7.2 v3.1) affecting Connect Secure (Ivanti), Policy Secure (Ivanti), Pulse Policy Secure (Pulsesecure).
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Oct 2, 2019 and is known to be used in ransomware campaigns. Public exploit code is available.
- EPSS estimates a 99% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
7.2
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
99%
Higher than 99.9% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings, used by ransomware
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2019-11539 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
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, the admin web interface allows an authenticated attacker to inject and execute commands.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Nov 3, 2021 | May 3, 2022 | Known |
| Industry KEV feed | Oct 2, 2019 | May 3, 2022 | Known |
| CIRCL KEV | Nov 3, 2021 | May 3, 2022 | Known |
| ENISA EUVD | Nov 3, 2021 | n/a | Not reported |
Required action: Apply updates per vendor instructions.
Affected Products
138 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Connect SecureIvanti | 8.1, 8.1-r1.0, 8.1-r10.0, 8.1-r1.1, 8.1-r11.0, 8.1-r11.1, 8.1-r12.0, 8.1-r12.1 | n/a |
| Policy SecureIvanti | 9.0-r1, 9.0-r2, 9.0-r2.1, 9.0-r3, 9.0-r3.1 | n/a |
| Pulse Policy SecurePulsesecure | 5.1r1.0, 5.1r10.0, 5.1r1.1, 5.1r11.0, 5.1r11.1, 5.1r12.0, 5.1r12.1, 5.1r13.0 | n/a |
Timeline
Publicly disclosed
Apr 25, 2019
Added to Industry KEV feed
Oct 2, 2019
Added to CISA KEV
Nov 3, 2021
Added to CIRCL KEV
Nov 3, 2021
Added to ENISA EUVD
Nov 3, 2021
Last updated
Nov 6, 2025
Weakness Type
- CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
References
- advisoryhttp://packetstormsecurity.com/files/154376/Pulse-Secure-8.1R15.1-8.2-8.3-9.0-SSL-VPN-Remote-Code-Execution.html
- advisoryhttp://packetstormsecurity.com/files/155277/Pulse-Secure-VPN-Arbitrary-Command-Execution.html
- advisoryhttp://packetstormsecurity.com/files/162092/Pulse-Secure-VPN-Arbitrary-Command-Execution.html
- advisoryhttps://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44101
- advisoryhttps://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0010
FAQ
Common Questions.
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, the admin web interface allows a…
Affected: Connect Secure (Ivanti) versions 8.1, 8.1-r1.0, 8.1-r10.0, 8.1-r1.1, 8.1-r11.0, 8.1-r11.1, 8.1-r12.0, 8.1-r12.1; Policy Secure (Ivanti) versions 9.0-r1, 9.0-r2, 9.0-r2.1, 9.0-r3, 9.0-r3.1; Pulse Policy Secure (Pulsesecure) versions 5.1r1.0, 5.1r10.0, 5.1r1.1, 5.1r11.0, 5.1r11.1, 5.1r12.0, 5.1r12.1, 5.1r13.0. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Oct 2, 2019 and is known to be used in ransomware campaigns.
Yes. It was added on Nov 3, 2021 with a federal remediation due date of May 3, 2022.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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