Input validation error in TensorFlow - CVE-2021-41203
Published: November 5, 2021 / Updated: May 3, 2026
Vulnerability identifier: #VU129204
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-41203
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
TensorFlow
TensorFlow
Software vendor:
TensorFlow
TensorFlow
Description
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to improper input validation in the checkpoint loading infrastructure when parsing modified checkpoint files. A local user can supply a specially crafted checkpoint file to cause a denial of service.
Exploitation requires the ability to change saved checkpoints from outside of TensorFlow.
Remediation
Install security update from vendor's website.