CVE-2019-11539: Ivanti Pulse Connect Secure and Policy Secure Command Injection Vulnerability
Vulnerability summary
CVE-2019-11539 is a high (CVSS 8.0) OS Command Injection vulnerability in Ivanti Pulse Connect Secure and Pulse Policy Secure. It is known to be exploited: CISA lists it, first on 03-11-2021. It has been used in ransomware campaigns. EPSS estimates a 98.54% chance of exploitation in the next 30 days, higher than 99.9% of scored vulnerabilities. 5 public exploits are recorded.
Timeline
- 26-04-2019PublishedVulnerability first disclosed.
- 03-11-2021Added to CISA KEVIvanti Pulse Connect Secure and Policy Secure Command Injection Vulnerability
- 03-05-2022CISA remediation dueApply updates per vendor instructions.
- 21-10-2025Last modifiedVulnerability information updated.
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 metrics
4 scores · 2 sources · 3 versions- NVDNIST8.0HighCVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
EPSS trend
Probability
98.54%
Chance of exploitation in the next 30 days
Percentile
100%
Versus all other CVEs
30-day change
0.00 pp
From 98.54% on 21-09-2026
Known exploited
Compare KEV catalogs- Added
- 03-11-2021
- Federal due date
- 03-05-2022
CISA required action
Apply updates per vendor instructions. nvd.nist.gov/vuln/detail/CVE-2019-11539
Public exploits
5 foundExploit Reference (i.blackhat.com)
Maturity: unknown
Exploit Reference (devco.re)
Maturity: unknown
Pulse Secure VPN Arbitrary Command Execution
exploit/linux/http/pulse_secure_cmd_exec
Maturity: weaponized
Weaknesses
CWE · root causeAffected systems
Ivanti2 products
- connect_secure8.1 | 8.1:r1.0 | 8.1:r1.1 | 8.1:r10.0 | 8.1:r11.0 | 8.1:r11.1 | 8.1:r12.0 | 8.1:r12.1 | 8.1:r13.0 | 8.1:r14.0 | 8.1:r2.0 | 8.1:r2.1 | 8.1:r3.0 | 8.1:r3.1 | 8.1:r3.2 | 8.1:r4.0 | 8.1:r4.1 | 8.1:r5.0 | 8.1:r6.0 | 8.1:r7 | 8.1:r7.0 | 8.1:r8.0 | 8.1:r9.0 | 8.1:r9.1 | 8.1:r9.2 | 8.2 | 8.2:r1 | 8.2:r1.0 | 8.2:r1.1 | 8.2:r10.0 | 8.2:r11.0 | 8.2:r12.0 | 8.2:r2.0 | 8.2:r3.0 | 8.2:r3.1 | 8.2:r4.0 | 8.2:r4.1 | 8.2:r5.0 | 8.2:r5.1 | 8.2:r6.0 | 8.2:r7.0 | 8.2:r7.1 | 8.2:r7.2 | 8.2:r8.0 | 8.2:r8.1 | 8.2:r8.2 | 8.2:r9.0 | 8.3 | 8.3:r1 | 8.3:r1.1 | 8.3:r2 | 8.3:r2.1 | 8.3:r3 | 8.3:r4 | 8.3:r5 | 8.3:r5.1 | 8.3:r5.2 | 8.3:r6 | 8.3:r6.1 | 8.3:r7 | 9.0:r1 | 9.0:r2 | 9.0:r2.1 | 9.0:r3 | 9.0:r3.1 | 9.0:r3.2 | 9.0:r3.3
- policy_secure9.0:r1 | 9.0:r2 | 9.0:r2.1 | 9.0:r3 | 9.0:r3.1
Pulsesecure1 product
- pulse_policy_secure5.1r1.0 | 5.1r1.1 | 5.1r2.0 | 5.1r2.1 | 5.1r3.0 | 5.1r3.2 | 5.1r4.0 | 5.1r5.0 | 5.1r6.0 | 5.1r7.0 | 5.1r8.0 | 5.1r9.0 | 5.1r9.1 | 5.1r10.0 | 5.1r11.0 | 5.1r11.1 | 5.1r12.0 | 5.1r12.1 | 5.1r13.0 | 5.1r14.0 | 5.2r1.0 | 5.2r2.0 | 5.2r3.0 | 5.2r3.2 | 5.2r4.0 | 5.2r5.0 | 5.2r6.0 | 5.2r7.0 | 5.2r7.1 | 5.2r8.0 | 5.2r9.0 | 5.2r9.1 | 5.2r10.0 | 5.2r11.0 | 5.2rx | 5.3r1.0 | 5.3r1.1 | 5.3r2.0 | 5.3r3.0 | 5.3r3.1 | 5.3r4.0 | 5.3r4.1 | 5.3r5.0 | 5.3r5.1 | 5.3r5.2 | 5.3r6.0 | 5.3r7.0 | 5.3r8.0 | 5.3r8.1 | 5.3r8.2 | 5.3r9.0 | 5.3r11.0 | 5.3r12.0 | 5.3rx | 5.4r1 | 5.4r2 | 5.4r2.1 | 5.4r3 | 5.4r4 | 5.4r5 | 5.4r5.2 | 5.4r6 | 5.4r6.1 | 5.4r7 | 5.4rx
2 vendors · 3 products
References
10 links- kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44101X Refsource CONFIRMThird Party AdvisoryVendor Advisory
- i.blackhat.com/USA-19/Wednesday/us-19-Tsai-Infiltrating-Corporate-Intranet-Like-NSA.pdfX Refsource MISCExploitThird Party Advisory
- packetstormsecurity.com/files/155277/Pulse-Secure-VPN-Arbitrary-Command-Execution.htmlX Refsource MISCThird Party AdvisoryVDB Entry
- packetstormsecurity.com/files/162092/Pulse-Secure-VPN-Arbitrary-Command-Execution.htmlX Refsource MISCBroken LinkThird Party AdvisoryVDB Entry
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-11539Government ResourceUS Government Resource