#VU30440 Link following in Cisco SD-WAN - CVE-2020-3437
Published: July 17, 2020
Vulnerability identifier: #VU30440
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-3437
CWE-ID: CWE-59
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Cisco SD-WAN
Cisco SD-WAN
Software vendor:
Cisco Systems, Inc
Cisco Systems, Inc
Description
The vulnerability allows a remote attacker to access sensitive information on the target system.
The vulnerability exists due to insufficient file scope limiting in the web-based management interface. A remote authenticated attacker can create a specific file reference on the filesystem and read arbitrary files from the filesystem of the underlying operating system.
Remediation
Install updates from vendor's website.