#VU37141 Input validation error in Ivanti Connect Secure (formerly Pulse Connect Secure) - CVE-2018-9849
Published: May 10, 2018 / Updated: August 8, 2020
Vulnerability identifier: #VU37141
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2018-9849
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Ivanti Connect Secure (formerly Pulse Connect Secure)
Ivanti Connect Secure (formerly Pulse Connect Secure)
Software vendor:
Ivanti
Ivanti
Description
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
Pulse Secure Pulse Connect Secure 8.1.x before 8.1R14, 8.2.x before 8.2R11, and 8.3.x before 8.3R5 do not properly process nested XML entities, which allows remote attackers to cause a denial of service (memory consumption and memory errors) via a crafted XML document.
Remediation
Install update from vendor's website.