CVE-2019-11539
KEVRansomware UseIvanti Pulse Connect Secure and Policy Secure Command Injection Vulnerability
Description
Ivanti Pulse Connect Secure and Policy Secure allows an authenticated attacker from the admin web interface to inject and execute commands.
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.
CVSS 3.1 vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HPublishedApr 26, 2019
Last modifiedJun 17, 2026
Added to KEVNov 3, 2021
Remediation dueMay 3, 2022
References
- packetstormsecurity.com/files/154376/Pulse-Secure-8.1R15.1-8.2-8.3-9.0-SSL-VPN-Remote-Code-Execution.htmlThird Party AdvisoryVDB Entry
- packetstormsecurity.com/files/155277/Pulse-Secure-VPN-Arbitrary-Command-Execution.htmlThird Party AdvisoryVDB Entry
- packetstormsecurity.com/files/162092/Pulse-Secure-VPN-Arbitrary-Command-Execution.htmlBroken LinkThird Party Advisory
- securityfocus.com/bid/108073Broken LinkThird Party Advisory
- devco.re/blog/2019/09/02/attacking-ssl-vpn-part-3-the-golden-Pulse-Secure-ssl-vpn-rce-chain-with-Twitter-as-case-study/ExploitThird Party Advisory
- i.blackhat.com/USA-19/Wednesday/us-19-Tsai-Infiltrating-Corporate-Intranet-Like-NSA.pdfExploitThird Party Advisory
- kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44101Third Party AdvisoryVendor Advisory
- psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0010Third Party Advisory
- kb.cert.org/vuls/id/927237Third Party AdvisoryUS Government Resource
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-11539US Government Resource
0 recent articles mention this CVE
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Risk assessment · Critical
Actively exploited and used by ransomware crews. Patch immediately.
- Exploitation
- Confirmed in the wild (CISA KEV)
- Federal remediation deadline
- Overdue by 1638 days
- Ransomware
- Used in known ransomware campaigns
- CVSS
- 7.2 HIGH
- EPSS (30-day exploit probability)
- 98.5% · top 1% of all CVEs
- Weakness
- CWE-78
- Attack vector
- Network, remotely reachable
Recommended actions
- 1.Apply updates per vendor instructions.
- 2.Treat as emergency change: patch or isolate internet-facing instances first.
- 3.Review exposure: confirm which instances are reachable from the internet and restrict access until patched.
- 4.Hunt for compromise: review logs for the disclosure window, not just from the patch date.
- 5.Verify offline/immutable backups and segment the affected systems. This flaw is used for ransomware initial access.
Assessment is derived automatically from the live signals above; verify against your own asset inventory.