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CVE-2022-23739

9.8 · CRITICAL

An incorrect authorization vulnerability was identified in GitHub Enterprise Server, allowing for escalation of privileges in GraphQL API requests from GitHub Apps.

Published Jan 17, 2023CWE-863EPSS 1.24%

Overview

CVE-2022-23739 is a critical-severity vulnerability. It was published on January 17, 2023 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

An incorrect authorization vulnerability was identified in GitHub Enterprise Server, allowing for escalation of privileges in GraphQL API requests from GitHub Apps. This vulnerability allowed an app installed on an organization to gain access to and modify most organization-level resources that are not tied to a repository regardless of granted permissions, such as users and organization-wide projects. Resources associated with repositories were not impacted, such as repository file content, repository-specific projects, issues, or pull requests. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.7.1 and was fixed in versions 3.3.16, 3.4.11, 3.5.8, 3.6.4, 3.7.1. This vulnerability was reported via the GitHub Bug Bounty program.

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

GitHubdocs.github.com/en/enterprise-server%403.3/admin/release-notes#3.3.16GitHubdocs.github.com/en/enterprise-server%403.4/admin/release-notes#3.4.11GitHubdocs.github.com/en/enterprise-server%403.5/admin/release-notes#3.5.8GitHubdocs.github.com/en/enterprise-server%403.6/admin/release-notes#3.6.4GitHubdocs.github.com/en/enterprise-server%403.7/admin/release-notes#3.7.1GitHubdocs.github.com/en/enterprise-server%403.3/admin/release-notes#3.3.16GitHubdocs.github.com/en/enterprise-server%403.4/admin/release-notes#3.4.11GitHubdocs.github.com/en/enterprise-server%403.5/admin/release-notes#3.5.8GitHubdocs.github.com/en/enterprise-server%403.6/admin/release-notes#3.6.4GitHubdocs.github.com/en/enterprise-server%403.7/admin/release-notes#3.7.1

How CyberStrike helps

Frequently asked questions

What is CVE-2022-23739?

CVE-2022-23739 is a critical-severity vulnerability. It was published on January 17, 2023 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2022-23739?

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2022-23739?

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-2022-23739?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-23739 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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