High severity · published Aug 25, 2023
CVE-2023-24621
An issue was discovered in Esoteric YamlBeans through 1.15
7.8
CVSS
0.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 39% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
YA
Yamlbeans · Esotericsoftware
through 1.15 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-24621
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-24621
Third Party Advisory
https://contrastsecurity.com
Exploit
https://github.com/Contrast-Security-OSS/yamlbeans/blob/main/SECURITY.md
Third Party Advisory
https://github.com/EsotericSoftware
More from Yamlbeans
5.5
CVE-2023-24620
An issue was discovered in Esoteric YamlBeans through 1.15