{"id":"CVE-2020-35138","aliases":["EUVD-2020-22829","GHSA-4jgx-c8px-mmgc"],"status":"disputed","title":"The MobileIron agents through 2021-03-22 for Android and iOS contain a hardcoded encryption key,...","description":"The MobileIron agents through 2021-03-22 for Android and iOS contain a hardcoded encryption key, used to encrypt the submission of username/password details during the authentication process, as demonstrated by Mobile@Work (aka com.mobileiron). The key is in the com/mobileiron/common/utils/C4928m.java file. NOTE: It has been asserted that there is no causality or connection between credential encryption and the MiTM attack","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01186,"percentile":0.6808,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-798"],"published":"2021-03-29T19:36:38Z","modified":"2026-06-17T03:13:26Z","products":[{"vendor":"mobileiron","product":"mobile\\@work"}],"references":[{"url":"https://play.google.com/store/apps/details?id=com.mobileiron\u0026hl=en_US\u0026gl=US","tags":["x_refsource_MISC","x_transferred","Product","Third Party Advisory"]},{"url":"https://www.optiv.com/explore-optiv-insights/source-zero/mobileiron-mdm-contains-static-key-allowing-account-enumeration","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://github.com/optiv/rustyIron","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://www.ivanti.com/blog/a-warranted-response-to-inaccurate-optiv-research","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://www.optiv.com/insights/source-zero/blog/mobileiron-mdm-contains-static-key-allowing-account-enumeration","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-35138"},{"url":"https://github.com/advisories/GHSA-4jgx-c8px-mmgc"}],"sources":{"cve":[{"id":"CVE-2020-35138","description":"The MobileIron agents through 2021-03-22 for Android and iOS contain a hardcoded encryption key, used to encrypt the submission of username/password details during the authentication process, as demonstrated by Mobile@Work (aka com.mobileiron). The key is in the com/mobileiron/common/utils/C4928m.java file. NOTE: It has been asserted that there is no causality or connection between credential encryption and the MiTM attack","status":"disputed","published":"2021-03-29T19:36:38Z","modified":"2024-08-04T16:55:10.836Z","updated_at":"2026-11-02T14:35:57.975444Z"}],"euvd":[{"id":"EUVD-2020-22829","description":"The MobileIron agents through 2021-03-22 for Android and iOS contain a hardcoded encryption key, used to encrypt the submission of username/password details during the authentication process, as demonstrated by Mobile@Work (aka com.mobileiron). The key is in the com/mobileiron/common/utils/C4928m.java file. NOTE: It has been asserted that there is no causality or connection between credential encryption and the MiTM attack","status":"published","published":"2021-03-29T19:36:38Z","modified":"2024-08-04T16:55:10Z","updated_at":"2026-11-03T03:07:06.885366Z"}],"ghsa":[{"id":"GHSA-4jgx-c8px-mmgc","title":"The MobileIron agents through 2021-03-22 for Android and iOS contain a hardcoded encryption key,...","description":"The MobileIron agents through 2021-03-22 for Android and iOS contain a hardcoded encryption key, used to encrypt the submission of username/password details during the authentication process, as demonstrated by Mobile@Work (aka com.mobileiron). The keys is in the com/mobileiron/common/utils/C4928m.java file.","status":"published","published":"2022-05-24T17:45:36Z","modified":"2023-01-29T05:07:00Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-798"],"updated_at":"2026-11-02T14:46:08.233339Z"}],"nvd":[{"id":"CVE-2020-35138","description":"The MobileIron agents through 2021-03-22 for Android and iOS contain a hardcoded encryption key, used to encrypt the submission of username/password details during the authentication process, as demonstrated by Mobile@Work (aka com.mobileiron). The key is in the com/mobileiron/common/utils/C4928m.java file. NOTE: It has been asserted that there is no causality or connection between credential encryption and the MiTM attack","status":"disputed","published":"2021-03-29T20:15:13.077Z","modified":"2026-06-17T03:13:26.35Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","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-798"],"updated_at":"2026-11-02T14:06:37.687844Z"}]}}