5.5

CVE-2021-41217: google tensorflow NULL Pointer Dereference

CVSS: 5.5v3.1MediumModified
AliasesGHSA-5crj-c72x-m7gqBIT-tensorflow-2021-41217PYSEC-2021-409
Published 05-11-2021Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2021-41217 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in google tensorflow. EPSS estimates a 0.19% chance of exploitation in the next 30 days, higher than 7.7% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.19%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Timeline

  1. 05-11-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

TensorFlow is an open source platform for machine learning. In affected versions the process of building the control flow graph for a TensorFlow model is vulnerable to a null pointer exception when nodes that should be paired are not. This occurs because the code assumes that the first node in the pairing (e.g., an `Enter` node) always exists when encountering the second node (e.g., an `Exit` node). When this is not the case, `parent` is `nullptr` so dereferencing it causes a crash. The fix will be included in TensorFlow 2.7.0. We will also cherrypick this commit on TensorFlow 2.6.1, TensorFlow 2.5.2, and TensorFlow 2.4.4, as these are also affected and still in supported range.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.19%

Chance of exploitation in the next 30 days

Percentile

8%

Versus all other CVEs

30-day change

0.00 pp

From 0.19% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.19%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Tensorflow

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

PyPI3 products
  • tensorflow≥ 2.6.0, < 2.6.1 | ≥ 2.5.0, < 2.5.2 | < 2.4.4 | < 05cbebd3c6bb8f517a158b0155debb8df79017ff | ≥ 2.7.0rc0, < 2.7.0
  • tensorflow-cpu≥ 2.6.0, < 2.6.1 | ≥ 2.5.0, < 2.5.2 | < 2.4.4 | < 05cbebd3c6bb8f517a158b0155debb8df79017ff | ≥ 2.7.0rc0, < 2.7.0
  • tensorflow-gpu≥ 2.6.0, < 2.6.1 | ≥ 2.5.0, < 2.5.2 | < 2.4.4 | < 05cbebd3c6bb8f517a158b0155debb8df79017ff | ≥ 2.7.0rc0, < 2.7.0
Google1 product
Tensorflow1 product
  • tensorflow≥ 2.6.0, < 2.6.1 | ≥ 2.5.0, < 2.5.2 | < 2.4.4

3 vendors · 5 products

References

7 links