{"cve":"CVE-2023-34050","nvd":{"published":"2023-10-19T08:15:08.357","modified":"2026-06-17T06:02:49.417","status":"Modified","description":"In spring AMQP versions 1.0.0 to\n2.4.16 and 3.0.0 to 3.0.9 , allowed list patterns for deserializable class\nnames were added to Spring AMQP, allowing users to lock down deserialization of\ndata in messages from untrusted sources; however by default, when no allowed\nlist was provided, all classes could be deserialized.\n\n\n\nSpecifically, an application is\nvulnerable if\n\n\n\n\n   *  the\n     SimpleMessageConverter or SerializerMessageConverter is used\n\n   *  the user\n     does not configure allowed list patterns\n\n   *  untrusted\n     message originators gain permissions to write messages to the RabbitMQ\n     broker to send malicious content","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","score":4.3},"cwes":["CWE-502"],"references":["https://spring.io/security/cve-2023-34050","https://spring.io/security/cve-2023-34050"],"products":["vmware:spring_advanced_message_queuing_protocol"],"source":"nvd","synced_at":"2026-10-19T21:40:11.519948003+00:00"},"epss":{"cve":"CVE-2023-34050","score":0.01826,"percentile":0.78819,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}