CVE-2023-51389 HertzBeat SnakeYAML Deser RCE
Attackers can execute arbitrary code via unsafe YAML deserialization in the HertzBeat monitoring system's /define/yml interface.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-51389?
CVE-2023-51389 is a critical unsafe deserialization vulnerability in dromara hertzbeat, published on 22 Feb 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Hertzbeat is a real-time monitoring system. At the interface of `/define/yml`, SnakeYAML is used as a parser to parse yml content, but no security configuration is used, resulting in a YAML deserialization vulnerability. Version 1.4.1 fixes this vulnerability.
Weakness: CWE-502
Which versions are affected by CVE-2023-51389?
It affects 1 product.
Products include Apache Hertzbeat.
How do I fix CVE-2023-51389?
No fix has been published for CVE-2023-51389 yet. Limit exposure of the affected software until one is available.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2023-51389 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-51389 exists.
Other vulnerabilities in dromara hertzbeat
- CVE-2023-51388 HertzBeat AviatorScript Inject RCE
- CVE-2023-51653 Hertzbeat JMX JNDI RCE
- CVE-2026-24343 Apache HertzBeat: Uncontrolled Resource Consumption via Crafted XPath Expressions
- CVE-2025-24404 Apache HertzBeat (incubating): RCE by parse http sitemap xml response
- CVE-2025-48208 Apache HertzBeat (incubating): Jmx JNDI injection vulnerability
Sources
Also known as GHSA-rmvr-9p5x-mm96.