Path traversal in Spring Cloud Config - CVE-2020-5405
Published: March 5, 2020 / Updated: September 1, 2020
Vulnerability identifier: #VU30340
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-5405
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to manipulate data.
Spring Cloud Config, versions 2.2.x prior to 2.2.2, versions 2.1.x prior to 2.1.7, and older unsupported versions allow applications to serve arbitrary configuration files through the spring-cloud-config-server module. A malicious user, or attacker, can send a request using a specially crafted URL that can lead a directory traversal attack.
Affected software
Spring Cloud Config
How to mitigate CVE-2020-5405
Install update from vendor's website.
Spring Cloud Config - update to 2.2.2