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CVE-2021-29554

19
FAUCET Score

CVE-2021-29554 is a denial-of-service vulnerability affecting TensorFlow, specifically within the tf.raw_ops.DenseCountSparseOutput operation. An attacker can trigger a floating-point exception by providing crafted input that leads to a division by zero. The vulnerability is rated Medium severity (CVSS 5.5), indicating a local attack vector with low complexity, requiring low privileges, and resulting in high availability impact. 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
0.19%
Probability of exploitation in next 30 days
EPSS Percentile
8.8%
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 44th 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 (7)

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

Vendor Advisories (1)

pipGHSA-qg48-85hg-mqc5low

Division by 0 in `DenseCountSparseOutput`

May 21, 2021

References

github.com / tensorflow/tensorflow/commit/da5ff2daf618591f64b2b62d9d9803951b945e9f
PatchThird Party Advisory
github.com / tensorflow/tensorflow/security/advisories/GHSA-qg48-85hg-mqc5
ExploitPatchThird Party Advisory