CVE-2025-50200: rabbitmq server — Exploit & Fix

Description

RabbitMQ is a messaging and streaming broker. In versions 3.13.7 and prior, RabbitMQ is logging authorization headers in plaintext encoded in base64. When querying RabbitMQ api with HTTP/s with basic authentication it creates logs with all headers in request, including authorization headers which show base64 encoded username:password. This is easy to decode and afterwards could be used to obtain control to the system depending on credentials. This issue has been patched in version 4.0.8.

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CVSS v3.1 Score

5.5

MEDIUM

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

Weakness Type (CWE)

CWE-532 CWE-532

Affected Products

Vendor	Product	Versions
broadcom	rabbitmq_server	< 4.0.8

References

Advisories & Patches

https://github.com/rabbitmq/rabbitmq-server/security/advisories/GHSA-gh3x-4x42-fvq8

Exploits

https://github.com/rabbitmq/rabbitmq-server/security/advisories/GHSA-gh3x-4x42-fvq8

Frequently Asked Questions

What is CVE-2025-50200? +

RabbitMQ is a messaging and streaming broker. In versions 3.13.7 and prior, RabbitMQ is logging authorization headers in plaintext encoded in base64. When querying RabbitMQ api with HTTP/s with basic authentication it creates logs with all headers in request, including authorization headers which show base64 encoded username:password. This is easy to decode and afterwards could be used to obtain control to the system depending on credentials. This issue has been patched in version 4.0.8. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2025-50200? +

CVE-2025-50200 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-50200? +

CVE-2025-50200 affects products from broadcom, specifically: rabbitmq_server. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-50200? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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