Path Traversal in Ivanti Connect Secure
CVE-2019-11510
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 .
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 1.000 (100.0th percentile), scored .
Very high probability of exploitation in the next 30 days — among the top 0.1% most-likely-to-be-exploited CVEs. 100th percentile — 100.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 1.000 · newest: 1.000 · change: 0.000
Affected products
- Ivanti Connect Secure — versions 8.2, 8.3, 9.0
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply updates per vendor instructions.
Known ransomware campaign use: yes.
Public proof-of-concept exploits
References
- kb.pulsesecure.net/ (Not Applicable, Vendor Advisory)
- kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44101/ (Patch, Broken Link, Vendor Advisory)
- www.securityfocus.com/bid/108073 (VDB Entry, Third Party Advisory, vdb-entry, Broken Link)
- psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0010 (Third Party Advisory)
- packetstormsecurity.com/files/154176/Pulse-Secure-SSL-VPN-8.1R15.1-8.2-8.3-9.0-… (Exploit, VDB Entry, Third Party Advisory)
- badpackets.net/over-14500-pulse-secure-vpn-endpoints-vulnerable-to-cve-2019-115… (Third Party Advisory, Broken Link)
- packetstormsecurity.com/files/154231/Pulse-Secure-SSL-VPN-File-Disclosure-NSE.h… (VDB Entry, Third Party Advisory)
- i.blackhat.com/USA-19/Wednesday/us-19-Tsai-Infiltrating-Corporate-Intranet-Like… (Third Party Advisory)
- devco.re/blog/2019/09/02/attacking-ssl-vpn-part-3-the-golden-Pulse-Secure-ssl-v… (Exploit, Third Party Advisory)
- lists.apache.org/thread.html/ff5fa1837b6bd1b24d18a42faa75e165a4573dbe2d434910c1… (mailing-list, Mailing List)
Frequently asked questions
- What is CVE-2019-11510?
- CVE-2019-11510 is a critical-severity vulnerability in Ivanti Connect Secure, classified under Path Traversal. CVSS score: 10.0/10. Published 2019-05-08.
- How severe is CVE-2019-11510?
- Critical severity. CVSS v3 base score is 10.0 out of 10.
- Is CVE-2019-11510 known to be exploited?
- Yes. CVE-2019-11510 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03), indicating it is being actively exploited. 105 public proof-of-concept repositories are indexed.