Vulnerability · Published Aug 25, 2023 · Assigned by mitre
CVE-2023-24621
High 7.8
In plain English
A high-severity security flaw in the com.esotericsoftware.yamlbeans:yamlbeans package (Maven). Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 39% of all known vulnerabilities).
Severity (CVSS NVD)7.8High
Exploit odds (30 days)0.5%top 60.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
An issue was discovered in Esoteric YamlBeans through 1.15. It allows untrusted deserialisation to Java classes by default, where the data and class are controlled by the author of the YAML document being processed.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Maven | com.esotericsoftware.yamlbeans:yamlbeans | no fix listed | GHSA-jm7r-4pg6-gf26 |