CVE-2019-11540
In Pulse Secure Pulse Connect Secure version 9.0RX before 9.0R3.4 and 8.3RX before 8.3R7.1 and Pulse Policy Secure version 9.0RX before 9.0R3.2 and 5.4RX before 5.4R7.1, an unauthenticated, remote attacker can conduct a session hijacking attack.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (8.26%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In Pulse Secure Pulse Connect Secure version 9.0RX before 9.0R3.4 and 8.3RX before 8.3R7.1 and Pulse Policy Secure version 9.0RX before 9.0R3.2 and 5.4RX before 5.4R7.1, an unauthenticated, remote attacker can conduct a session hijacking attack.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 8.26% probability · 95th percentile
- CISA KEV
- Not listed
- Affected
- ivanti/connect secure · pulsesecure/pulse connect secure · pulsesecure/pulse policy secure
- Source
- cve@mitre.org
References
- http://www.securityfocus.com/bid/108073Third 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://www.securityfocus.com/bid/108073Third 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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.