CVE-2024-56136
5.3 · MEDIUMOverview
CVE-2024-56136 is a medium-severity vulnerability affecting zulip zulip_server. It was published on January 16, 2025 and has a CVSS 3.1 base score of 5.3 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
Zulip server provides an open-source team chat that helps teams stay productive and focused. Zulip Server 7.0 and above are vulnerable to an information disclose attack, where, if a Zulip server is hosting multiple organizations, an unauthenticated user can make a request and determine if an email address is in use by a user. Zulip Server 9.4 resolves the issue, as does the `main` branch of Zulip Server. Users are advised to upgrade. There are no known workarounds for this issue.
Remediation
Check the references section for vendor advisories and patches from zulip. Update zulip_server to the latest patched version. 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.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| zulip | zulip_server | >= 7.0, < 9.4 | Affected |
Frequently Asked Questions
What is CVE-2024-56136?
CVE-2024-56136 is a medium-severity vulnerability affecting zulip zulip_server. It was published on January 16, 2025 and has a CVSS 3.1 base score of 5.3 (MEDIUM).
How severe is CVE-2024-56136?
This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2024-56136?
Check the references section for vendor advisories and patches from zulip. Update zulip_server to the latest patched version. 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-2024-56136?
CyberStrike's AI-powered security agents can automatically detect CVE-2024-56136 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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