Path traversal in Ivanti Connect Secure (formerly Pulse Connect Secure) - CVE-2019-11508
Published: April 20, 2020 / Updated: April 20, 2020
Vulnerability identifier: #VU27030
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-11508
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing file uploads within Network File Share (NFS) feature of Pulse Connect Secure. A remote authenticated user can can send a specially crafted HTTP request and upload dangerous files to arbitrary locations on the system.
Affected software
Ivanti Connect Secure (formerly Pulse Connect Secure)
How to mitigate CVE-2019-11508
Install update from vendor's website.
Ivanti Connect Secure (formerly Pulse Connect Secure) - addressed in versions 8.1R15.1, 8.2R12.1, 8.3R7.1, 9.0R3.4