{"id":"CVE-2018-10240","aliases":["EUVD-2018-2314","GHSA-hw6q-c5xp-mh35"],"status":"published","title":"SolarWinds Serv-U MFT before 15.1.6 HFv1 assigns authenticated users a low-entropy session token...","description":"SolarWinds Serv-U MFT before 15.1.6 HFv1 assigns authenticated users a low-entropy session token that can be included in requests to the application as a URL parameter in lieu of a session cookie. This session token's value can be brute-forced by an attacker to obtain the corresponding session cookie and hijack the user's session.","severity":{"version":"3.0","score":7.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01028,"percentile":0.6389,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-331"],"published":"2018-05-16T14:00:00Z","modified":"2026-06-17T01:33:44Z","products":[{"vendor":"solarwinds","product":"serv-u"}],"references":[{"url":"https://www.bishopfox.com/news/2018/05/solarwinds-serv-u-managed-file-transfer-insufficient-session-id-entropy/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-10240"},{"url":"https://github.com/advisories/GHSA-hw6q-c5xp-mh35"}],"sources":{"cve":[{"id":"CVE-2018-10240","description":"SolarWinds Serv-U MFT before 15.1.6 HFv1 assigns authenticated users a low-entropy session token that can be included in requests to the application as a URL parameter in lieu of a session cookie. This session token's value can be brute-forced by an attacker to obtain the corresponding session cookie and hijack the user's session.","status":"published","published":"2018-05-16T14:00:00Z","modified":"2024-08-05T07:32:01.661Z","updated_at":"2026-11-02T14:35:01.619448Z"}],"euvd":[{"id":"EUVD-2018-2314","description":"SolarWinds Serv-U MFT before 15.1.6 HFv1 assigns authenticated users a low-entropy session token that can be included in requests to the application as a URL parameter in lieu of a session cookie. This session token's value can be brute-forced by an attacker to obtain the corresponding session cookie and hijack the user's session.","status":"published","published":"2018-05-16T14:00:00Z","modified":"2024-08-05T07:32:01Z","updated_at":"2026-11-03T02:39:58.981487Z"}],"ghsa":[{"id":"GHSA-hw6q-c5xp-mh35","title":"SolarWinds Serv-U MFT before 15.1.6 HFv1 assigns authenticated users a low-entropy session token...","description":"SolarWinds Serv-U MFT before 15.1.6 HFv1 assigns authenticated users a low-entropy session token that can be included in requests to the application as a URL parameter in lieu of a session cookie. This session token's value can be brute-forced by an attacker to obtain the corresponding session cookie and hijack the user's session.","status":"published","published":"2022-05-14T03:16:44Z","modified":"2023-02-02T05:07:15Z","cvss":[{"version":"3.0","score":7.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high"}],"cwes":["CWE-331"],"updated_at":"2026-11-02T14:52:27.909118Z"}],"nvd":[{"id":"CVE-2018-10240","description":"SolarWinds Serv-U MFT before 15.1.6 HFv1 assigns authenticated users a low-entropy session token that can be included in requests to the application as a URL parameter in lieu of a session cookie. This session token's value can be brute-forced by an attacker to obtain the corresponding session cookie and hijack the user's session.","status":"published","published":"2018-05-16T14:29:00.207Z","modified":"2026-06-17T01:33:44.84Z","cvss":[{"version":"3.0","score":7.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-331"],"updated_at":"2026-11-02T14:04:27.507872Z"}]}}