{"id":"CVE-2021-34574","aliases":["EUVD-2021-21224","GHSA-c4j8-5xv4-xcxh"],"status":"published","title":"Password policy evasion in products of MB connect line and Helmholz","description":"In MB connect line mymbCONNECT24, mbCONNECT24 and Helmholz myREX24 and myREX24.virtual in all versions through v2.11.2 an authenticated attacker can change the password of his account into a new password that violates the password policy by intercepting and modifying the request that is send to the server.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00659,"percentile":0.51812,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-669"],"published":"2021-08-02T10:24:31Z","modified":"2026-06-17T03:56:09Z","products":[{"vendor":"helmholz","product":"myrex24"},{"vendor":"helmholz","product":"myrex24.virtual"},{"vendor":"mb connect line","product":"mbconnect24"},{"vendor":"mb connect line","product":"mymbconnect24"},{"vendor":"mbconnectline","product":"mbconnect24"},{"vendor":"mbconnectline","product":"mymbconnect24"}],"references":[{"url":"https://cert.vde.com/en/advisories/VDE-2022-039","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory"]},{"url":"https://cert.vde.com/en/advisories/VDE-2021-030","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-34574"},{"url":"https://cert.vde.com/de-de/advisories/vde-2021-030"},{"url":"https://github.com/advisories/GHSA-c4j8-5xv4-xcxh"}],"sources":{"cve":[{"id":"CVE-2021-34574","title":"Password policy evasion in products of MB connect line and Helmholz","description":"In MB connect line mymbCONNECT24, mbCONNECT24 and Helmholz myREX24 and myREX24.virtual in all versions through v2.11.2 an authenticated attacker can change the password of his account into a new password that violates the password policy by intercepting and modifying the request that is send to the server.","status":"published","published":"2021-08-02T10:24:31.932Z","modified":"2024-09-16T18:14:15.495Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-669"],"updated_at":"2026-11-02T14:33:11.244759Z"}],"euvd":[{"id":"EUVD-2021-21224","description":"In MB connect line mymbCONNECT24, mbCONNECT24 and Helmholz myREX24 and myREX24.virtual in all versions through v2.11.2 an authenticated attacker can change the password of his account into a new password that violates the password policy by intercepting and modifying the request that is send to the server.","status":"published","published":"2021-08-02T10:24:31Z","modified":"2024-09-16T18:14:15Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-03T00:55:34.393488Z"}],"ghsa":[{"id":"GHSA-c4j8-5xv4-xcxh","title":"In MB connect line mymbCONNECT24, mbCONNECT24 in versions \u003c= 2.8.0 an authenticated attacker can...","description":"In MB connect line mymbCONNECT24, mbCONNECT24 in versions \u003c= 2.8.0 an authenticated attacker can change the password of his account into a new password that violates the password policy by intercepting and modifying the request that is send to the server.","status":"published","published":"2022-05-24T19:09:36Z","modified":"2023-02-01T05:08:57Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-669"],"updated_at":"2026-11-02T14:50:53.78471Z"}],"nvd":[{"id":"CVE-2021-34574","description":"In MB connect line mymbCONNECT24, mbCONNECT24 and Helmholz myREX24 and myREX24.virtual in all versions through v2.11.2 an authenticated attacker can change the password of his account into a new password that violates the password policy by intercepting and modifying the request that is send to the server.","status":"published","published":"2021-08-02T11:15:11.35Z","modified":"2026-06-17T03:56:09.38Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-669"],"updated_at":"2026-11-02T14:06:56.562207Z"}]}}