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CVE-2021-29591

24
FAUCET Score

CVE-2021-29591 is a high-severity vulnerability affecting Google TensorFlow, specifically within TFLite graphs. It allows an attacker to craft malicious models that create infinite loops during evaluation, potentially leading to a denial of service through resource exhaustion or a stack overflow due to excessive recursive calls. With a CVSS score of 7.8, this local attack requires low privileges and no user interaction, resulting in high impacts to confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

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

7.3HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
LOW
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.5
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.26%
Probability of exploitation in next 30 days
EPSS Percentile
17.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0026 is in the 53rd 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-cwv3-863g-39vxhigh

Stack overflow due to looping TFLite subgraph

May 21, 2021

References

github.com / tensorflow/tensorflow/commit/9c1dc920d8ffb4893d6c9d27d1f039607b326743
PatchThird Party Advisory
github.com / tensorflow/tensorflow/commit/c6173f5fe66cdbab74f4f869311fe6aae2ba35f4
PatchThird Party Advisory
github.com / tensorflow/tensorflow/security/advisories/GHSA-cwv3-863g-39vx
ExploitPatchThird Party Advisory