CVE-2021-29613

Name: CVE-2021-29613
Creator: NVD / NIST
Published: 2021-05-14T20:15:16.037+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.1/10EPSS 0.24%

Last modified Jun 17, 2026

CVE-2021-29613 is a high-severity vulnerability rated 7.1/10 on the CVSS scale. TensorFlow is an end-to-end open source platform for machine learning. Incomplete validation in `tf.raw_ops.CTCLoss` allows an attacker to trigger an OOB read from heap. EPSS estimates a 0.24% chance of exploitation in the next 30 days.

Description

TensorFlow is an end-to-end open source platform for machine learning. Incomplete validation in `tf.raw_ops.CTCLoss` allows an attacker to trigger an OOB read from heap. The fix will be included in TensorFlow 2.5.0. We will also cherrypick these commits on TensorFlow 2.4.2, TensorFlow 2.3.3, TensorFlow 2.2.3 and TensorFlow 2.1.4, as these are also affected and still in supported range.

Metrics

CVSS 3.1

7.1/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

EPSS Probability

0.24%

15.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Google	Tensorflow	< 2.1.4
Google	Tensorflow	>= 2.2.0, < 2.2.3
Google	Tensorflow	>= 2.3.0, < 2.3.3
Google	Tensorflow	>= 2.4.0, < 2.4.2

References

https://github.com/tensorflow/tensorflow/commit/14607c0707040d775e06b6817325640cb4b5864cPatch, Third Party Advisory
https://github.com/tensorflow/tensorflow/commit/4504a081af71514bb1828048363e6540f797005bPatch, Third Party Advisory
https://github.com/tensorflow/tensorflow/security/advisories/GHSA-vvg4-vgrv-xfr7Exploit, Patch, Third Party Advisory
https://github.com/tensorflow/tensorflow/commit/14607c0707040d775e06b6817325640cb4b5864cPatch, Third Party Advisory
https://github.com/tensorflow/tensorflow/commit/4504a081af71514bb1828048363e6540f797005bPatch, Third Party Advisory
https://github.com/tensorflow/tensorflow/security/advisories/GHSA-vvg4-vgrv-xfr7Exploit, Patch, Third Party Advisory

Timeline

Published: May 14, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-29613?

How severe is CVE-2021-29613?

CVE-2021-29613 has a CVSS score of 7.1/10 (HIGH severity). The EPSS model estimates a 0.24% probability of exploitation in the next 30 days.

How do I fix CVE-2021-29613?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-29613?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST