CVE-2021-35958

Name: CVE-2021-35958
Creator: NVD / NIST
Published: 2021-06-30T01:15:07.033+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.1/10EPSS 1.86%

Last modified Jun 17, 2026

CVE-2021-35958 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. TensorFlow through 2.5.0 allows attackers to overwrite arbitrary files via a crafted archive when tf.keras.utils.get_file is used with extract=True. NOTE: the vendor's position is that tf.keras.utils.get_file is not intended for untrusted archives. EPSS estimates a 1.86% chance of exploitation in the next 30 days.

Description

TensorFlow through 2.5.0 allows attackers to overwrite arbitrary files via a crafted archive when tf.keras.utils.get_file is used with extract=True. NOTE: the vendor's position is that tf.keras.utils.get_file is not intended for untrusted archives

Metrics

CVSS 3.1

9.1/10

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

EPSS Probability

1.86%

76.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

Affected Software

Vendor	Product	Versions
Google	Tensorflow	<= 2.5.0

References

https://docs.python.org/3/library/tarfile.html#tarfile.TarFile.extractallThird Party Advisory
https://github.com/tensorflow/tensorflow/blob/b8cad4c631096a34461ff8a07840d5f4d123ce32/tensorflow/python/keras/README.mdThird Party Advisory
https://github.com/tensorflow/tensorflow/blob/b8cad4c631096a34461ff8a07840d5f4d123ce32/tensorflow/python/keras/utils/data_utils.py#L137Third Party Advisory
https://keras.io/api/Third Party Advisory
https://vuln.ryotak.me/advisories/52Third Party Advisory
https://docs.python.org/3/library/tarfile.html#tarfile.TarFile.extractallThird Party Advisory
https://github.com/tensorflow/tensorflow/blob/b8cad4c631096a34461ff8a07840d5f4d123ce32/tensorflow/python/keras/README.mdThird Party Advisory
https://github.com/tensorflow/tensorflow/blob/b8cad4c631096a34461ff8a07840d5f4d123ce32/tensorflow/python/keras/utils/data_utils.py#L137Third Party Advisory
https://keras.io/api/Third Party Advisory
https://vuln.ryotak.me/advisories/52Third Party Advisory

Timeline

Published: Jun 30, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-35958?

How severe is CVE-2021-35958?

CVE-2021-35958 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 1.86% probability of exploitation in the next 30 days.

How do I fix CVE-2021-35958?

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-2021-35958?

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

Scan your code now

Source: NVD / NIST