{"id":"CVE-2021-40341","aliases":["EUVD-2021-27520","GHSA-xg5w-j24m-8379"],"status":"published","title":"Weak DES encryption","description":"DES cipher, which has inadequate encryption strength, is used Hitachi Energy FOXMAN-UN to encrypt user credentials used to access the Network Elements. Successful exploitation allows sensitive information to be decrypted easily. This issue affects \n\n\n\n  *  FOXMAN-UN product: FOXMAN-UN R16A, FOXMAN-UN R15B, FOXMAN-UN R15A, FOXMAN-UN R14B, FOXMAN-UN R14A, FOXMAN-UN R11B, FOXMAN-UN R11A, FOXMAN-UN R10C, FOXMAN-UN R9C; \n  *  UNEM product: UNEM R16A, UNEM R15B, UNEM R15A, UNEM R14B, UNEM R14A, UNEM R11B, UNEM R11A, UNEM R10C, UNEM R9C.\n\n\n\n\nList of CPEs: \n  *  cpe:2.3:a:hitachienergy:foxman-un:R16A:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:foxman-un:R15B:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:foxman-un:R15A:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:foxman-un:R14B:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:foxman-un:R14A:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:foxman-un:R11B:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:foxman-un:R11A:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:foxman-un:R10C:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:foxman-un:R9C:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:unem:R16A:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:unem:R15B:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:unem:R15A:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:unem:R14B:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:unem:R14A:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:unem:R11B:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:unem:R11A:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:unem:R10C:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:unem:R9C:*:*:*:*:*:*:*","severity":{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00087,"percentile":0.00322,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-326"],"published":"2023-01-05T21:26:42Z","modified":"2026-06-17T04:06:45Z","products":[{"vendor":"hitachi energy","product":"foxman-un"},{"vendor":"hitachi energy","product":"unem"},{"vendor":"hitachienergy","product":"foxman-un"},{"vendor":"hitachienergy","product":"unem"}],"references":[{"url":"https://search.abb.com/library/Download.aspx?DocumentID=8DBD000083\u0026LanguageCode=en\u0026DocumentPartId=\u0026Action=Launch","tags":["x_transferred","Mitigation","Vendor Advisory"]},{"url":"https://search.abb.com/library/Download.aspx?DocumentID=8DBD000084\u0026LanguageCode=en\u0026DocumentPartId=\u0026Action=Launch","tags":["x_transferred","Mitigation","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-40341"},{"url":"https://github.com/advisories/GHSA-xg5w-j24m-8379"}],"sources":{"cve":[{"id":"CVE-2021-40341","title":"Weak DES encryption","description":"DES cipher, which has inadequate encryption strength, is used Hitachi Energy FOXMAN-UN to encrypt user credentials used to access the Network Elements. Successful exploitation allows sensitive information to be decrypted easily. This issue affects \n\n\n\n  *  FOXMAN-UN product: FOXMAN-UN R16A, FOXMAN-UN R15B, FOXMAN-UN R15A, FOXMAN-UN R14B, FOXMAN-UN R14A, FOXMAN-UN R11B, FOXMAN-UN R11A, FOXMAN-UN R10C, FOXMAN-UN R9C; \n  *  UNEM product: UNEM R16A, UNEM R15B, UNEM R15A, UNEM R14B, UNEM R14A, UNEM R11B, UNEM R11A, UNEM R10C, UNEM R9C.\n\n\n\n\nList of CPEs: \n  *  cpe:2.3:a:hitachienergy:foxman-un:R16A:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:foxman-un:R15B:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:foxman-un:R15A:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:foxman-un:R14B:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:foxman-un:R14A:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:foxman-un:R11B:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:foxman-un:R11A:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:foxman-un:R10C:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:foxman-un:R9C:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:unem:R16A:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:unem:R15B:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:unem:R15A:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:unem:R14B:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:unem:R14A:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:unem:R11B:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:unem:R11A:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:unem:R10C:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:unem:R9C:*:*:*:*:*:*:*\n\n\n\n","status":"published","published":"2023-01-05T21:26:42.76Z","modified":"2025-04-10T13:31:25.498Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-326"],"updated_at":"2026-11-02T14:33:01.852999Z"}],"euvd":[{"id":"EUVD-2021-27520","description":"DES cipher, which has inadequate encryption strength, is used Hitachi Energy FOXMAN-UN to encrypt user credentials used to access the Network Elements. Successful exploitation allows sensitive information to be decrypted easily. This issue affects \n\n\n\n  *  FOXMAN-UN product: FOXMAN-UN R16A, FOXMAN-UN R15B, FOXMAN-UN R15A, FOXMAN-UN R14B, FOXMAN-UN R14A, FOXMAN-UN R11B, FOXMAN-UN R11A, FOXMAN-UN R10C, FOXMAN-UN R9C; \n  *  UNEM product: UNEM R16A, UNEM R15B, UNEM R15A, UNEM R14B, UNEM R14A, UNEM R11B, UNEM R11A, UNEM R10C, UNEM R9C.\n\n\n\n\nList of CPEs: \n  *  cpe:2.3:a:hitachienergy:foxman-un:R16A:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:foxman-un:R15B:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:foxman-un:R15A:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:foxman-un:R14B:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:foxman-un:R14A:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:foxman-un:R11B:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:foxman-un:R11A:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:foxman-un:R10C:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:foxman-un:R9C:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:unem:R16A:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:unem:R15B:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:unem:R15A:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:unem:R14B:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:unem:R14A:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:unem:R11B:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:unem:R11A:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:unem:R10C:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:unem:R9C:*:*:*:*:*:*:*\n\n\n\n","status":"published","published":"2023-01-05T21:26:42Z","modified":"2025-04-10T13:31:25Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T20:52:37.204811Z"}],"ghsa":[{"id":"GHSA-xg5w-j24m-8379","title":"DES cipher, which has inadequate encryption strength, is used Hitachi Energy FOXMAN-UN to encrypt...","description":"DES cipher, which has inadequate encryption strength, is used Hitachi Energy FOXMAN-UN to encrypt user credentials used to access the Network Elements. Successful exploitation allows sensitive information to be decrypted easily. This issue affects * FOXMAN-UN product: FOXMAN-UN R16A, FOXMAN-UN R15B, FOXMAN-UN R15A, FOXMAN-UN R14B, FOXMAN-UN R14A, FOXMAN-UN R11B, FOXMAN-UN R11A, FOXMAN-UN R10C, FOXMAN-UN R9C; * UNEM product: UNEM R16A, UNEM R15B, UNEM R15A, UNEM R14B, UNEM R14A, UNEM R11B, UNEM R11A, UNEM R10C, UNEM R9C. List of CPEs: * cpe:2.3:a:hitachienergy:foxman-un:R16A:*:*:*:*:*:*:* * cpe:2.3:a:hitachienergy:foxman-un:R15B:*:*:*:*:*:*:* * cpe:2.3:a:hitachienergy:foxman-un:R15A:*:*:*:*:*:*:* * cpe:2.3:a:hitachienergy:foxman-un:R14B:*:*:*:*:*:*:* * cpe:2.3:a:hitachienergy:foxman-un:R14A:*:*:*:*:*:*:* * cpe:2.3:a:hitachienergy:foxman-un:R11B:*:*:*:*:*:*:* * cpe:2.3:a:hitachienergy:foxman-un:R11A:*:*:*:*:*:*:* * cpe:2.3:a:hitachienergy:foxman-un:R10C:*:*:*:*:*:*:* * cpe:2.3:a:hitachienergy:foxman-un:R9C:*:*:*:*:*:*:* * cpe:2.3:a:hitachienergy:unem:R16A:*:*:*:*:*:*:* * cpe:2.3:a:hitachienergy:unem:R15B:*:*:*:*:*:*:* * cpe:2.3:a:hitachienergy:unem:R15A:*:*:*:*:*:*:* * cpe:2.3:a:hitachienergy:unem:R14B:*:*:*:*:*:*:* * cpe:2.3:a:hitachienergy:unem:R14A:*:*:*:*:*:*:* * cpe:2.3:a:hitachienergy:unem:R11B:*:*:*:*:*:*:* * cpe:2.3:a:hitachienergy:unem:R11A:*:*:*:*:*:*:* * cpe:2.3:a:hitachienergy:unem:R10C:*:*:*:*:*:*:* * cpe:2.3:a:hitachienergy:unem:R9C:*:*:*:*:*:*:*","status":"published","published":"2023-01-06T00:30:17Z","modified":"2023-01-28T05:03:46Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-326"],"updated_at":"2026-11-02T14:44:02.530855Z"}],"nvd":[{"id":"CVE-2021-40341","description":"DES cipher, which has inadequate encryption strength, is used Hitachi Energy FOXMAN-UN to encrypt user credentials used to access the Network Elements. Successful exploitation allows sensitive information to be decrypted easily. This issue affects \n\n\n\n  *  FOXMAN-UN product: FOXMAN-UN R16A, FOXMAN-UN R15B, FOXMAN-UN R15A, FOXMAN-UN R14B, FOXMAN-UN R14A, FOXMAN-UN R11B, FOXMAN-UN R11A, FOXMAN-UN R10C, FOXMAN-UN R9C; \n  *  UNEM product: UNEM R16A, UNEM R15B, UNEM R15A, UNEM R14B, UNEM R14A, UNEM R11B, UNEM R11A, UNEM R10C, UNEM R9C.\n\n\n\n\nList of CPEs: \n  *  cpe:2.3:a:hitachienergy:foxman-un:R16A:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:foxman-un:R15B:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:foxman-un:R15A:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:foxman-un:R14B:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:foxman-un:R14A:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:foxman-un:R11B:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:foxman-un:R11A:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:foxman-un:R10C:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:foxman-un:R9C:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:unem:R16A:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:unem:R15B:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:unem:R15A:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:unem:R14B:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:unem:R14A:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:unem:R11B:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:unem:R11A:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:unem:R10C:*:*:*:*:*:*:*\n  *  cpe:2.3:a:hitachienergy:unem:R9C:*:*:*:*:*:*:*\n\n\n\n","status":"published","published":"2023-01-05T22:15:08.86Z","modified":"2026-06-17T04:06:45.507Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N","level":"high","assessor":"secondary"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-326"],"updated_at":"2026-11-02T14:07:07.323379Z"}]}}