Vulnerability in Ivanti Connect Secure
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.083 (94.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 94.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.083 · newest: 0.083 · change: 0.000
Affected products
- Ivanti Connect Secure — versions 8.3
- Pulsesecure Pulse Connect Secure — versions 8.3rx, 9.0r1, 9.0r2
- Pulsesecure Pulse Policy Secure — versions 5.4r1, 5.4r2, 5.4r2.1
Public proof-of-concept exploits
References
- kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44101 (Third Party Advisory, Vendor Advisory)
- www.securityfocus.com/bid/108073 (VDB Entry, Third Party Advisory, vdb-entry)
- psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0010 (Third Party Advisory)
- i.blackhat.com/USA-19/Wednesday/us-19-Tsai-Infiltrating-Corporate-Intranet-Like… (Exploit, Third Party Advisory)
- devco.re/blog/2019/09/02/attacking-ssl-vpn-part-3-the-golden-Pulse-Secure-ssl-v… (Exploit, Third Party Advisory)
- www.kb.cert.org/vuls/id/927237 (US Government Resource, Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2019-11540?
- CVE-2019-11540 is a critical-severity vulnerability in Ivanti Connect Secure. CVSS score: 9.8/10. Published 2019-04-26.
- How severe is CVE-2019-11540?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2019-11540 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.