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CVE-2021-43811

7.8 · HIGH

Sockeye is an open-source sequence-to-sequence framework for Neural Machine Translation built on PyTorch.

Published Dec 8, 2021CWE-94EPSS 2.47%

Overview

CVE-2021-43811 is a high-severity vulnerability. It was published on December 8, 2021 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

Sockeye is an open-source sequence-to-sequence framework for Neural Machine Translation built on PyTorch. Sockeye uses YAML to store model and data configurations on disk. Versions below 2.3.24 use unsafe YAML loading, which can be made to execute arbitrary code embedded in config files. An attacker can add malicious code to the config file of a trained model and attempt to convince users to download and run it. If users run the model, the embedded code will run locally. The issue is fixed in version 2.3.24.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/awslabs/sockeye/pull/964GitHubgithub.com/awslabs/sockeye/releases/tag/2.3.24GitHubgithub.com/awslabs/sockeye/security/advisories/GHSA-ggmr-44cv-24pmGitHubgithub.com/awslabs/sockeye/pull/964GitHubgithub.com/awslabs/sockeye/releases/tag/2.3.24GitHubgithub.com/awslabs/sockeye/security/advisories/GHSA-ggmr-44cv-24pm

How CyberStrike helps

Frequently asked questions

What is CVE-2021-43811?

CVE-2021-43811 is a high-severity vulnerability. It was published on December 8, 2021 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2021-43811?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2021-43811?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2021-43811?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-43811 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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