CVE-2019-11539
Ivanti Pulse Connect Secure and Policy Secure Command Injection Vulnerability
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
- 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
CISA notes
Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2019-11539
References
- http://packetstormsecurity.com/files/154376/Pulse-Secure-8.1R15.1-8.2-8.3-9.0-SSL-VPN-Remote-Code-Execution.htmlThird Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/155277/Pulse-Secure-VPN-Arbitrary-Command-Execution.htmlThird Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/162092/Pulse-Secure-VPN-Arbitrary-Command-Execution.htmlBroken Link, Third Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/108073Broken Link, Third Party Advisory, VDB Entry
- https://devco.re/blog/2019/09/02/attacking-ssl-vpn-part-3-the-golden-Pulse-Secure-ssl-vpn-rce-chain-with-Twitter-as-case-study/Exploit, Third Party Advisory
- https://i.blackhat.com/USA-19/Wednesday/us-19-Tsai-Infiltrating-Corporate-Intranet-Like-NSA.pdfExploit, Third Party Advisory
- https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44101Third Party Advisory, Vendor Advisory
- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0010Third Party Advisory
- https://www.kb.cert.org/vuls/id/927237Third Party Advisory, US Government Resource
- http://packetstormsecurity.com/files/154376/Pulse-Secure-8.1R15.1-8.2-8.3-9.0-SSL-VPN-Remote-Code-Execution.htmlThird Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/155277/Pulse-Secure-VPN-Arbitrary-Command-Execution.htmlThird Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/162092/Pulse-Secure-VPN-Arbitrary-Command-Execution.htmlBroken Link, Third Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/108073Broken Link, Third Party Advisory, VDB Entry
- https://devco.re/blog/2019/09/02/attacking-ssl-vpn-part-3-the-golden-Pulse-Secure-ssl-vpn-rce-chain-with-Twitter-as-case-study/Exploit, Third Party Advisory
- https://i.blackhat.com/USA-19/Wednesday/us-19-Tsai-Infiltrating-Corporate-Intranet-Like-NSA.pdfExploit, Third Party Advisory
- https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44101Third Party Advisory, Vendor Advisory
- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0010Third Party Advisory
- https://www.kb.cert.org/vuls/id/927237Third Party Advisory, US Government Resource
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-11539US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.