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CVE-2021-29593

24
FAUCET Score

CVE-2021-29593 is a division by zero vulnerability in the TensorFlow Lite BatchToSpaceNd operator, affecting Google TensorFlow versions prior to 2.5.0, including 2.4.2, 2.3.3, 2.2.3, and 2.1.4. An attacker can trigger this by crafting a malicious model with a zero-valued dimension in the 'block' input. This vulnerability has a CVSS score of 7.8 (High), indicating a local attack vector with low complexity, potentially leading to high impact on confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.1.4CPE matchmatch criteria
cpe:2.3:a:google:tensorflow:*:*:*:*:*:*:*:*
>= 2.2.0, < 2.2.3CPE matchmatch criteria
cpe:2.3:a:google:tensorflow:*:*:*:*:*:*:*:*
>= 2.3.0, < 2.3.3CPE matchmatch criteria
cpe:2.3:a:google:tensorflow:*:*:*:*:*:*:*:*
>= 2.4.0, < 2.4.2CPE matchmatch criteria
cpe:2.3:a:google:tensorflow:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

2.5LOW

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

Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
Exploitability Score
1.0
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.20%
Probability of exploitation in next 30 days
EPSS Percentile
10.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0020 is in the 37th percentile among its peer group of 17,070 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (13)

github_advisorypatch availablevia nvd_reference
View patch
pippatch availablevia ghsa
Product: tensorflowFixed in: 2.1.4
pippatch availablevia ghsa
Product: tensorflowFixed in: 2.2.3
pippatch availablevia ghsa
Product: tensorflowFixed in: 2.3.3
pippatch availablevia ghsa
Product: tensorflowFixed in: 2.4.2
pippatch availablevia ghsa
Product: tensorflow-cpuFixed in: 2.1.4
pippatch availablevia ghsa
Product: tensorflow-cpuFixed in: 2.2.3
pippatch availablevia ghsa
Product: tensorflow-cpuFixed in: 2.3.3
pippatch availablevia ghsa
Product: tensorflow-cpuFixed in: 2.4.2
pippatch availablevia ghsa
Product: tensorflow-gpuFixed in: 2.1.4
pippatch availablevia ghsa
Product: tensorflow-gpuFixed in: 2.2.3
pippatch availablevia ghsa
Product: tensorflow-gpuFixed in: 2.3.3
pippatch availablevia ghsa
Product: tensorflow-gpuFixed in: 2.4.2

Vendor Advisories (1)

pipGHSA-cfx7-2xpc-8w4hlow

Division by zero in TFLite's implementation of `BatchToSpaceNd`

May 21, 2021

References

github.com / tensorflow/tensorflow/commit/2c74674348a4708ced58ad6eb1b23354df8ee044
PatchThird Party Advisory
github.com / tensorflow/tensorflow/security/advisories/GHSA-cfx7-2xpc-8w4h
ExploitPatchThird Party Advisory