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CVE-2021-29601

22
FAUCET Score

CVE-2021-29601 is an integer overflow vulnerability in TensorFlow's TFLite implementation of concatenation, affecting Google TensorFlow versions prior to 2.5.0, 2.4.2, 2.3.3, 2.2.3, and 2.1.4. An attacker can craft a malicious model that, when converted to TFLite, causes tensor dimensions to overflow the 'int' data type used by TFLite. This vulnerability has a CVSS score of 7.1 (HIGH), indicating that a local attacker with low privileges can achieve high integrity and availability impacts with low attack complexity. There is 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

6.3MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.0
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.19%
Probability of exploitation in next 30 days
EPSS Percentile
9.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0019 is in the 34th 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-9c84-4hx6-xmm4medium

Integer overflow in TFLite concatentation

May 21, 2021

References

github.com / tensorflow/tensorflow/commit/4253f96a58486ffe84b61c0415bb234a4632ee73
PatchThird Party Advisory
github.com / tensorflow/tensorflow/security/advisories/GHSA-9c84-4hx6-xmm4
ExploitPatchThird Party Advisory