{"id":"CVE-2022-24298","aliases":["EUVD-2022-29199","GHSA-3448-h4p5-g6mc"],"status":"published","title":"Denial of Service (DoS)","description":"All versions of package freeopcua/freeopcua are vulnerable to Denial of Service (DoS) when bypassing the limitations for excessive memory consumption by sending multiple CloseSession requests with the deleteSubscription parameter equal to False.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00966,"percentile":0.6199,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-770"],"published":"2022-08-23T05:06:46Z","modified":"2026-06-17T04:31:34Z","products":[{"vendor":"freeopcua","product":"freeopcua"}],"references":[{"url":"https://security.snyk.io/vuln/SNYK-UNMANAGED-FREEOPCUAFREEOPCUA-2988720","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://github.com/FreeOpcUa/freeopcua/issues/391","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-24298"},{"url":"https://github.com/advisories/GHSA-3448-h4p5-g6mc"}],"sources":{"cve":[{"id":"CVE-2022-24298","title":"Denial of Service (DoS)","description":"All versions of package freeopcua/freeopcua are vulnerable to Denial of Service (DoS) when bypassing the limitations for excessive memory consumption by sending multiple CloseSession requests with the deleteSubscription parameter equal to False.","status":"published","published":"2022-08-23T05:06:46.768Z","modified":"2024-09-17T03:52:58.91Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:34:34.940806Z"}],"euvd":[{"id":"EUVD-2022-29199","description":"All versions of package freeopcua/freeopcua are vulnerable to Denial of Service (DoS) when bypassing the limitations for excessive memory consumption by sending multiple CloseSession requests with the deleteSubscription parameter equal to False.","status":"published","published":"2022-08-23T05:06:46Z","modified":"2024-09-17T03:52:58Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P","level":"high"}],"updated_at":"2026-11-03T00:28:28.016201Z"}],"ghsa":[{"id":"GHSA-3448-h4p5-g6mc","title":"All versions of package freeopcua/freeopcua are vulnerable to Denial of Service (DoS) when...","description":"All versions of package freeopcua/freeopcua are vulnerable to Denial of Service (DoS) when bypassing the limitations for excessive memory consumption by sending multiple CloseSession requests with the deleteSubscription parameter equal to False.","status":"published","published":"2022-08-24T00:00:31Z","modified":"2023-01-30T05:04:13Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T14:46:59.889535Z"}],"nvd":[{"id":"CVE-2022-24298","description":"All versions of package freeopcua/freeopcua are vulnerable to Denial of Service (DoS) when bypassing the limitations for excessive memory consumption by sending multiple CloseSession requests with the deleteSubscription parameter equal to False.","status":"published","published":"2022-08-23T05:15:07.76Z","modified":"2026-06-17T04:31:34.483Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T14:07:25.883929Z"}]}}