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CVE-2021-41207

20
FAUCET Score

CVE-2021-41207 is a division-by-zero vulnerability affecting TensorFlow versions prior to 2.7.0, 2.6.1, 2.5.2, and 2.4.4, specifically within the ParallelConcat operation due to insufficient input validation. Rated Medium (CVSS 5.5), this vulnerability can lead to a denial of service (availability impact) with low attack complexity and local privileges required. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.4.0, < 2.4.4CPE matchmatch criteria
cpe:2.3:a:google:tensorflow:*:*:*:*:*:*:*:*
>= 2.5.0, < 2.5.2CPE matchmatch criteria
cpe:2.3:a:google:tensorflow:*:*:*:*:*:*:*:*
>= 2.6.0, < 2.6.1CPE matchmatch criteria
cpe:2.3:a:google:tensorflow:*:*:*:*:*:*:*:*
2.7.0CPE matchmatch criteria
cpe:2.3:a:google:tensorflow:2.7.0:rc0:*:*:*:*:*:*
2.7.0CPE matchmatch criteria
cpe:2.3:a:google:tensorflow:2.7.0:rc1:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.14%
Probability of exploitation in next 30 days
EPSS Percentile
3.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0014 is in the 22nd percentile among its peer group of 15,940 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (10)

github_advisorypatch availablevia nvd_reference
View patch
pippatch availablevia ghsa
Product: tensorflowFixed in: 2.6.1
pippatch availablevia ghsa
Product: tensorflowFixed in: 2.5.2
pippatch availablevia ghsa
Product: tensorflowFixed in: 2.4.4
pippatch availablevia ghsa
Product: tensorflow-cpuFixed in: 2.4.4
pippatch availablevia ghsa
Product: tensorflow-cpuFixed in: 2.5.2
pippatch availablevia ghsa
Product: tensorflow-cpuFixed in: 2.6.1
pippatch availablevia ghsa
Product: tensorflow-gpuFixed in: 2.4.4
pippatch availablevia ghsa
Product: tensorflow-gpuFixed in: 2.5.2
pippatch availablevia ghsa
Product: tensorflow-gpuFixed in: 2.6.1

Vendor Advisories (1)

pipGHSA-7v94-64hj-m82hmedium

FPE in `ParallelConcat`

Nov 10, 2021

References

github.com / tensorflow/tensorflow/commit/f2c3931113eaafe9ef558faaddd48e00a6606235
PatchThird Party Advisory
github.com / tensorflow/tensorflow/security/advisories/GHSA-7v94-64hj-m82h
Third Party Advisory