CVE-2019-11539

Ivanti Pulse Connect Secure and Policy Secure Command Injection Vulnerability

  • High 8.0
  • Exploited: added to CISA KEV 3 Nov 2021
  • Used in ransomware campaigns

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.

Key facts

Published
26 Apr 2019
Last changed
21 Oct 2025
Assigned by
mitre
KEV added
3 Nov 2021
KEV fix due
3 May 2022
Used in ransomware
Yes, according to CISA
EPSS
98.544% likely to be exploited in the next 30 days, higher than 99.923% of CVEs (scores for 15 Nov 2026)
SSVC (CISA)
Exploitation: active; Automatable: no; Technical impact: total

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

  • 8.0CVSS 3.0, Highfrom the CNA (mitre)CVSS:3.0/AC:H/AV:N/A:H/C:H/I:H/PR:H/S:C/UI:N

What to do

  • Apply updates per vendor instructions.CISA KEV required action

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

VendorProductVersions
n/an/a
  • n/a (affected)

Timeline

  1. 26 Apr 2019 Published
  2. 3 Nov 2021 CVE-2019-11539 added to CISA KEV
  3. 3 Nov 2021 Added to the CISA KEV catalogue

Weakness

Practice this bug class

HackZoneLabs has a hands-on lab on OS command injection (CWE-78).

References