Improper Enforcement of Message Integrity During Transmission in a Communication Channel in minio - CVE-2021-21390
Published: June 29, 2022
Vulnerability identifier: #VU64789
CSH Severity: Medium
CVSS v4: 8.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-21390
CWE-ID: CWE-924
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to modify data on the system.
The vulnerability exists due to enabled MITM modification of request bodies that are meant to have integrity guaranteed by chunk signatures. A remote unauthenticated attacker can send a specially crafted data to modify data on the system.
Affected software
minio
How to mitigate CVE-2021-21390
Install updates from vendor's website.
minio - update to 2021-03-17T02-33-02Z