CVE-2019-11540
9.8
CRITICAL · CVSS 3.1 · EPSS 8.3% (pctl 95)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 8.26% — more likely to be exploited than 95% of all CVEs |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2019-04-26 |
| Last modified | 2026-06-17 |
Affected (3)
| Vendor | Product |
|---|---|
| ivanti | connect secure |
| pulsesecure | pulse connect secure |
| pulsesecure | pulse policy secure |
References
- http://www.securityfocus.com/bid/108073
- 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/
- https://i.blackhat.com/USA-19/Wednesday/us-19-Tsai-Infiltrating-Corporate-Intranet-Like-NSA.pdf
- https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44101
- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0010
- https://www.kb.cert.org/vuls/id/927237
- http://www.securityfocus.com/bid/108073
- 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/
- https://i.blackhat.com/USA-19/Wednesday/us-19-Tsai-Infiltrating-Corporate-Intranet-Like-NSA.pdf
- https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44101
- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0010
- https://www.kb.cert.org/vuls/id/927237
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