CVE-2019-11542
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…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 65.6%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
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, an authenticated attacker (via the admin web interface) can send a specially crafted message resulting in a stack buffer overflow.
- 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
- 65.59% probability · 99th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- ivanti/connect secure · pulsesecure/pulse connect secure · pulsesecure/pulse policy secure
- Source
- cve@mitre.org
EPSS 65.6% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- 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/SA44101Vendor 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/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/SA44101Vendor 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, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.