{"cve":"CVE-2015-2913","nvd":{"published":"2015-12-31T05:59:09.470","modified":"2026-06-17T00:24:57.620","status":"Modified","description":"server/network/protocol/http/OHttpSessionManager.java in the Studio component in OrientDB Server Community Edition before 2.0.15 and 2.1.x before 2.1.1 improperly relies on the java.util.Random class for generation of random Session ID values, which makes it easier for remote attackers to predict a value by determining the internal state of the PRNG in this class.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","score":5.9},"cwes":["CWE-200"],"references":["https://github.com/orientechnologies/orientdb/commit/668ece96be210e742a4e2820a3085b215cf55104","https://www.kb.cert.org/vuls/id/845332","https://github.com/orientechnologies/orientdb/commit/668ece96be210e742a4e2820a3085b215cf55104","https://www.kb.cert.org/vuls/id/845332"],"products":["orientdb:orientdb"],"source":"nvd","synced_at":"2026-10-19T20:37:48.328043465+00:00"},"epss":{"cve":"CVE-2015-2913","score":0.0186,"percentile":0.79237,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-v6wr-fch2-vm5w","url":"https://osv.dev/vulnerability/GHSA-v6wr-fch2-vm5w","summary":"OrientDB Server Community Edition uses insufficiently random values to generate session IDs","modified":"2024-02-16T08:19:11.966594Z","packages":[{"ecosystem":"Maven","name":"com.orientechnologies:orientdb-server","purl":"pkg:maven/com.orientechnologies/orientdb-server","ranges":["<2.0.15"],"fixed":["2.0.15"]},{"ecosystem":"Maven","name":"com.orientechnologies:orientdb-server","purl":"pkg:maven/com.orientechnologies/orientdb-server","ranges":[">=2.1.0 <2.1.1"],"fixed":["2.1.1"]}]}],"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."]}