Input validation error in TensorFlow - CVE-2021-37665
Published: August 12, 2021 / Updated: May 4, 2026
Vulnerability identifier: #VU129241
CSH Severity: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2021-37665
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
TensorFlow
TensorFlow
Software vendor:
TensorFlow
TensorFlow
Description
The vulnerability allows a remote attacker to cause a denial of service or disclose sensitive information.
The vulnerability exists due to improper input validation in MKL requantization operations when parsing crafted tensor inputs. A remote attacker can supply malformed input tensors to cause a denial of service or disclose sensitive information.
The issue affects the MKL implementations of RequantizationRangePerChannel and MklRequantizePerChannelOp.
Remediation
Install security update from vendor's website.