{"cve":"CVE-2023-52428","nvd":{"published":"2024-02-11T05:15:08.383","modified":"2026-06-17T06:42:40.023","status":"Modified","description":"In Connect2id Nimbus JOSE+JWT before 9.37.2, an attacker can cause a denial of service (resource consumption) via a large JWE p2c header value (aka iteration count) for the PasswordBasedDecrypter (PBKDF2) component.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-770"],"references":["https://bitbucket.org/connect2id/nimbus-jose-jwt/commits/3b3b77e","https://bitbucket.org/connect2id/nimbus-jose-jwt/issues/526/","https://connect2id.com/products/nimbus-jose-jwt","https://bitbucket.org/connect2id/nimbus-jose-jwt/commits/3b3b77e","https://bitbucket.org/connect2id/nimbus-jose-jwt/issues/526/"],"products":["connect2id:nimbus_jose\\+jwt"],"source":"nvd","synced_at":"2026-10-19T21:45:59.823092188+00:00"},"epss":{"cve":"CVE-2023-52428","score":0.00814,"percentile":0.57051,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-gvpg-vgmx-xg6w","url":"https://osv.dev/vulnerability/GHSA-gvpg-vgmx-xg6w","summary":"Denial of Service in Connect2id Nimbus JOSE+JWT","modified":"2026-09-10T03:50:05.665384490Z","packages":[{"ecosystem":"Maven","name":"com.nimbusds:nimbus-jose-jwt","purl":"pkg:maven/com.nimbusds/nimbus-jose-jwt","ranges":["<9.37.2"],"fixed":["9.37.2"]}]}],"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."]}