CVE-2019-11510
Ivanti Pulse Connect Secure Arbitrary File Read 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 (PCS) 8.2 before 8.2R12.1, 8.3 before 8.3R7.1, and 9.0 before 9.0R3.4, an unauthenticated remote attacker can send a specially crafted URI to perform an arbitrary file reading vulnerability .
- CVSS 3.1
- 10.0 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- EPSS
- 100.00% probability · 100th percentile
- Public exploits
- 1 in Exploit-DB · first 21 August 2019
- CISA KEV
- Listed 3 November 2021 · due 3 May 2022 · used in ransomware campaigns
- Weakness
- CWE-22
- Affected
- ivanti/connect secure
- Source
- cve@mitre.org
EPSS 100.0% 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.
CISA notes
Apply updates per vendor instructions. Reference CISA's ED 21-03 (https://www.cisa.gov/news-events/directives/ed-21-03-mitigate-pulse-connect-secure-product-vulnerabilities) for further guidance and requirements. Note: The due date for addressing this vulnerability aligns with the requirements outlined in ED 21-03. https://nvd.nist.gov/vuln/detail/CVE-2019-11510
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://packetstormsecurity.com/files/154176/Pulse-Secure-SSL-VPN-8.1R15.1-8.2-8.3-9.0-Arbitrary-File-Disclosure.htmlExploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/154231/Pulse-Secure-SSL-VPN-File-Disclosure-NSE.htmlThird Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/108073Broken Link, Third Party Advisory, VDB Entry
- https://badpackets.net/over-14500-pulse-secure-vpn-endpoints-vulnerable-to-cve-2019-11510/Broken Link, Third Party Advisory
- 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.pdfThird Party Advisory
- https://kb.pulsesecure.net/?atype=saNot Applicable, Vendor Advisory
- https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44101/Broken Link, Patch, Vendor Advisory
- https://lists.apache.org/thread.html/ff5fa1837b6bd1b24d18a42faa75e165a4573dbe2d434910c15fd08a%40%3Cuser.guacamole.apache.org%3EMailing List
- 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/154176/Pulse-Secure-SSL-VPN-8.1R15.1-8.2-8.3-9.0-Arbitrary-File-Disclosure.htmlExploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/154231/Pulse-Secure-SSL-VPN-File-Disclosure-NSE.htmlThird Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/108073Broken Link, Third Party Advisory, VDB Entry
- https://badpackets.net/over-14500-pulse-secure-vpn-endpoints-vulnerable-to-cve-2019-11510/Broken Link, Third Party Advisory
- 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.pdfThird Party Advisory
- https://kb.pulsesecure.net/?atype=saNot Applicable, Vendor Advisory
- https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44101/Broken Link, Patch, Vendor Advisory
- https://lists.apache.org/thread.html/ff5fa1837b6bd1b24d18a42faa75e165a4573dbe2d434910c15fd08a%40%3Cuser.guacamole.apache.org%3EMailing List
- 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-2019-11510US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.