CVE-2020-5419 RabbitMQ arbitrary code execution using local binary planting

What is CVE-2020-5419?

CVE-2020-5419 is a medium-severity code injection vulnerability in Broadcom Rabbitmq Server, published on 31 Aug 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

RabbitMQ versions 3.8.x prior to 3.8.7 are prone to a Windows-specific binary planting security vulnerability that allows for arbitrary code execution. An attacker with write privileges to the RabbitMQ installation directory and local access on Windows could carry out a local binary hijacking (planting) attack and execute arbitrary code.

Weakness: CWE-427

Which versions are affected by CVE-2020-5419?

1 open source package ship an affected version, including rabbitmq. It affects 2 products.

Products include Broadcom Rabbitmq Server, Pivotal Software Rabbitmq.

How do I fix CVE-2020-5419?

Upgrade rabbitmq to 3.8.7 or later.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2020-5419 being exploited?

There is no known exploitation of CVE-2020-5419 in the wild and no public exploit code.

Other vulnerabilities in Broadcom Rabbitmq Server

• CVE-2016-9877 Auth bypass in Pivotal RabbitMQ 3.x before 3.5.8 and 3.6.x before 3.6.6; RabbitMQ for PCF 1.5.x before 1.5.20, 1.6.x before 1.6.12 and 1.7.x before 1.7.7 Critical 9.8
• CVE-2026-67404 RabbitMQ: OAuth2 silent verify_none fallback for JWKS fetch Critical 9.2
• CVE-2026-67231 RabbitMQ: Trust-store whitelist by Issuer+Serial only Critical 9.1
• CVE-2026-57219 Information disclosure in rabbitmq-server High 8.7
• CVE-2026-67236 RabbitMQ: Plaintext username:password stored in an insecure cookie after successful POST /login High 8.2

All Broadcom Rabbitmq Server vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as BIT-rabbitmq-2020-5419, GHSA-82gq-g626-8g5r.