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CVE-2023-3485

3.0 · LOW

Insecure defaults in open-source Temporal Server before version 1.20 on all platforms allows an attacker to craft a task token with access to a namespace other than the one specified in the request.

Published Jun 30, 2023CWE-863EPSS 0.17%

Overview

CVE-2023-3485 is a low-severity vulnerability. It was published on June 30, 2023 and has a CVSS 3.1 base score of 3.0 (LOW).

This vulnerability has a CVSS 3.1 base score of 3.0, rated LOW. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

Insecure defaults in open-source Temporal Server before version 1.20 on all platforms allows an attacker to craft a task token with access to a namespace other than the one specified in the request. Creation of this task token must be done outside of the normal Temporal server flow. It requires the namespace UUID and information from the workflow history for the target namespace. Under these conditions, it is possible to interfere with pending tasks in other namespaces, such as marking a task failed or completed.

If a task is targeted for completion by the attacker, the targeted namespace must also be using the same data converter configuration as the initial, valid, namespace for the task completion payload to be decoded by workers in the target namespace.

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/temporalio/temporal/releases/tag/v1.20.0GitHubgithub.com/temporalio/temporal/releases/tag/v1.20.0

How CyberStrike helps

Frequently asked questions

What is CVE-2023-3485?

CVE-2023-3485 is a low-severity vulnerability. It was published on June 30, 2023 and has a CVSS 3.1 base score of 3.0 (LOW).

How severe is CVE-2023-3485?

This vulnerability has a CVSS 3.1 base score of 3.0, rated LOW. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2023-3485?

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-2023-3485?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-3485 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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