{"id":"CVE-2021-45839","aliases":["EUVD-2021-32557","GHSA-2pv9-4p97-2r6r"],"status":"published","title":"It is possible to obtain the first administrator's hash set up on the system in Terramaster F4...","description":"It is possible to obtain the first administrator's hash set up on the system in Terramaster F4-210, F2-210 TOS 4.2.X (4.2.15-2107141517) as well as other information such as MAC address, internal IP address etc. by performing a request to the /module/api.php?mobile/webNasIPS endpoint.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.09865,"percentile":0.95598,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"published":"2022-04-25T00:00:00Z","modified":"2026-06-17T04:14:08Z","exploits":[{"source":"metasploit","id":"exploit/linux/http/terramaster_unauth_rce_cve_2021_45837","title":"TerraMaster TOS 4.2.15 or lower - RCE chain from unauthenticated to root via session crafting.","type":"exploit","platform":"Linux,Unix","date":"2021-12-24","verified":true,"url":"https://www.rapid7.com/db/modules/exploit/linux/http/terramaster_unauth_rce_cve_2021_45837"}],"products":[{"vendor":"terra-master","product":"tos"}],"references":[{"url":"https://thatsn0tmy.site/posts/2021/12/how-to-summon-rces/","tags":["x_transferred","Exploit","Third Party Advisory"]},{"url":"http://packetstormsecurity.com/files/172881/TerraMaster-TOS-4.2.15-Remote-Code-Execution.html","tags":["x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-45839"},{"url":"https://github.com/advisories/GHSA-2pv9-4p97-2r6r"}],"sources":{"cve":[{"id":"CVE-2021-45839","description":"It is possible to obtain the first administrator's hash set up on the system in Terramaster F4-210, F2-210 TOS 4.2.X (4.2.15-2107141517) as well as other information such as MAC address, internal IP address etc. by performing a request to the /module/api.php?mobile/webNasIPS endpoint.","status":"published","published":"2022-04-25T00:00:00Z","modified":"2024-08-04T04:54:31.406Z","updated_at":"2026-11-02T14:33:02.20241Z"}],"euvd":[{"id":"EUVD-2021-32557","description":"It is possible to obtain the first administrator's hash set up on the system in Terramaster F4-210, F2-210 TOS 4.2.X (4.2.15-2107141517) as well as other information such as MAC address, internal IP address etc. by performing a request to the /module/api.php?mobile/webNasIPS endpoint.","status":"published","published":"2022-04-25T00:00:00Z","modified":"2024-08-04T04:54:31Z","updated_at":"2026-11-03T03:08:25.222984Z"}],"ghsa":[{"id":"GHSA-2pv9-4p97-2r6r","title":"It is possible to obtain the first administrator's hash set up on the system in Terramaster F4...","description":"It is possible to obtain the first administrator's hash set up on the system in Terramaster F4-210, F2-210 TOS 4.2.X (4.2.15-2107141517) as well as other information such as MAC address, internal IP address etc. by performing a request to the /module/api.php?mobile/webNasIPS endpoint.","status":"published","published":"2022-04-26T00:00:43Z","modified":"2023-06-21T05:00:51Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T14:54:38.89081Z"}],"nvd":[{"id":"CVE-2021-45839","description":"It is possible to obtain the first administrator's hash set up on the system in Terramaster F4-210, F2-210 TOS 4.2.X (4.2.15-2107141517) as well as other information such as MAC address, internal IP address etc. by performing a request to the /module/api.php?mobile/webNasIPS endpoint.","status":"published","published":"2022-04-25T11:15:07.147Z","modified":"2026-06-17T04:14:08.557Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:07:06.029737Z"}]}}