#VU112101 Input validation error in MongoDB - CVE-2025-6709
Published: July 2, 2025
Vulnerability identifier: #VU112101
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-6709
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
MongoDB
MongoDB
Software vendor:
MongoDB, Inc.
MongoDB, Inc.
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of JSON input when using OIDC authentication. A remote non-authenticated attacker can send specially crafted requests to the server and perform a denial of service (DoS) attack.
Remediation
Install updates from vendor's website.
Note, this vulnerability can be exploited by a non-authenticated attacker only against versions 7.x and 8.x. In 6.x branch authentication is required to exploit the vulnerability.