SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2019-11539

Ivanti Pulse Connect Secure and Policy Secure Command Injection Vulnerability

KEVEXPLOIT ×2 ✓HIGH 7.2EPSS 98.5%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 3 May 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

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.

CVSS 3.1
7.2 HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS
98.54% probability · 100th percentile
Public exploits
2 in Exploit-DB · verified · first 6 September 2019
CISA KEV
Listed 3 November 2021 · due 3 May 2022 · used in ransomware campaigns
Weakness
CWE-78
Affected
ivanti/connect secure · ivanti/policy secure · pulsesecure/pulse policy secure
Source
cve@mitre.org
EPSS trend
0%50%100%27 October 2026: 98.54%27 October 202627 October 2026

EPSS 98.5% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

CISA notes

Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2019-11539

Public exploits (2)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-47700source ↗Pulse Secure VPN - Arbitrary Command Execution (Metasploit)multiple · Metasploitremote20 November 2019yes
EDB-47354source ↗Pulse Secure 8.1R15.1/8.2/8.3/9.0 SSL VPN - Remote Code Executionmultiple · Justin Wagnerremote6 September 2019no

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.