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CVE-2021-37676

7.8 · HIGH

TensorFlow is an end-to-end open source platform for machine learning.

Published Aug 12, 2021CWE-824EPSS 0.17%

Overview

CVE-2021-37676 is a high-severity vulnerability. It was published on August 12, 2021 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

TensorFlow is an end-to-end open source platform for machine learning. In affected versions an attacker can cause undefined behavior via binding a reference to null pointer in `tf.raw_ops.SparseFillEmptyRows`. The shape inference [implementation](https://github.com/tensorflow/tensorflow/blob/460e000de3a83278fb00b61a16d161b1964f15f4/tensorflow/core/ops/sparse_ops.cc#L608-L634) does not validate that the input arguments are not empty tensors. We have patched the issue in GitHub commit 578e634b4f1c1c684d4b4294f9e5281b2133b3ed. The fix will be included in TensorFlow 2.6.0. We will also cherrypick this commit on TensorFlow 2.5.1, TensorFlow 2.4.3, and TensorFlow 2.3.4, as these are also affected and still in supported range.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/tensorflow/tensorflow/commit/578e634b4f1c1c684d4b4294f9e5281b2133b3edGitHubgithub.com/tensorflow/tensorflow/security/advisories/GHSA-v768-w7m9-2vmmGitHubgithub.com/tensorflow/tensorflow/commit/578e634b4f1c1c684d4b4294f9e5281b2133b3edGitHubgithub.com/tensorflow/tensorflow/security/advisories/GHSA-v768-w7m9-2vmm

How CyberStrike helps

Frequently asked questions

What is CVE-2021-37676?

CVE-2021-37676 is a high-severity vulnerability. It was published on August 12, 2021 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2021-37676?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2021-37676?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2021-37676?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-37676 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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