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CVE-2021-41219

25
FAUCET Score

CVE-2021-41219 is a high-severity vulnerability in TensorFlow, an open-source machine learning platform, affecting versions prior to 2.7.0, 2.6.1, 2.5.2, and 2.4.4. It involves undefined behavior during sparse matrix multiplication when input dimensions are zero or negative, leading to potential heap out-of-bounds access. The vulnerability has a CVSS score of 7.8 (High), indicating that a local attacker with low privileges can achieve high confidentiality, integrity, and availability impacts with low attack complexity. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

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

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.20%
Probability of exploitation in next 30 days
EPSS Percentile
10.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0020 is in the 38th 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 (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: 2.6.1
pippatch availablevia ghsa
Product: tensorflow-cpuFixed in: 2.5.2
pippatch availablevia ghsa
Product: tensorflow-cpuFixed in: 2.4.4
pippatch availablevia ghsa
Product: tensorflow-gpuFixed in: 2.6.1
pippatch availablevia ghsa
Product: tensorflow-gpuFixed in: 2.5.2
pippatch availablevia ghsa
Product: tensorflow-gpuFixed in: 2.4.4

Vendor Advisories (1)

pipGHSA-4f99-p9c2-3j8xhigh

Undefined behavior via `nullptr` reference binding in sparse matrix multiplication

Nov 10, 2021

References

github.com / tensorflow/tensorflow/commit/e6cf28c72ba2eb949ca950d834dd6d66bb01cfae
PatchThird Party Advisory
github.com / tensorflow/tensorflow/security/advisories/GHSA-4f99-p9c2-3j8x
ExploitPatchThird Party Advisory