{"id":"CVE-2022-24990","kind":"vulnerability","aliases":["CVE-2022-24990"],"related":[],"title":"terra-master terramaster operating system: TerraMaster NAS 4.2.29 and earlier allows remote attackers to discover the administrative password by sending…","description":"TerraMaster NAS 4.2.29 and earlier allows remote attackers to discover the administrative password by sending \"User-Agent: TNAS\" to module/api.php?mobile/webNasIPS and then reading the PWD field in the response.","summary":"TerraMaster OS, the operating system on TerraMaster NAS devices, has a remote command execution flaw that needs no login. An unauthenticated attacker can run commands on the device, and CISA lists it as actively exploited, with ransomware use noted.","severity":"critical","cvss":9.8,"epss":null,"exploited":true,"exploited_at":"2023-02-10T00:00:00+00:00","products":[{"name":"TerraMaster TerraMaster OS","fixed":[],"affected":"","ecosystem":"vendor"},{"name":"terra-master terramaster operating system","fixed":["4.2.31"],"affected":"< 4.2.31","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["exploited","infrastructure","nas","ransomware","self-hosted","terramaster"],"not_affected_if":["not-terramaster-nas"],"how_to_check":null,"fix":"Apply the vendor update per CISA guidance; the fixed version is unknown from the sources.","status":"open","published_at":"2023-02-07T18:15:09+00:00","first_seen_at":"2026-10-23T19:11:52+00:00","triaged_at":"2026-10-23T21:08:42+00:00","updated_at":"2026-10-23T22:29:04+00:00","category":"infrastructure","confidence":0.6,"triage":{"at":"2026-10-23T21:08:42Z","model":"claude-haiku-5-5","output":{"fix":"Apply the vendor update per CISA guidance; the fixed version is unknown from the sources.","reach":"internet","impact":"high","summary":"TerraMaster OS, the operating system on TerraMaster NAS devices, has a remote command execution flaw that needs no login. An unauthenticated attacker can run commands on the device, and CISA lists it as actively exploited, with ransomware use noted.","category":"infrastructure","who_cares":["terramaster","nas","self-hosted"],"confidence":0.6,"needs_auth":"no","worst_case":"Attacker runs arbitrary commands on the NAS as an unauthenticated remote user.","analyst_note":"Find the affected and fixed TerraMaster OS versions and the vulnerable endpoint in the vendor advisory or CISA KEV entry, to write how_to_check and fix.","how_to_check":"unknown","needs_analyst":true,"not_affected_if":["not-terramaster-nas"],"user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"critical"},"cost_usd":0.000465,"input_tokens":2800,"output_tokens":369,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2022':23A,26A '-24990':24A,27A '4.2.29':9A,86C 'activ':78B 'administr':18A,95C 'agent':101C 'allow':12A,89C 'attack':14A,66B,91C 'cisa':74B 'command':57B,69B 'cve':22A,25A 'devic':53B,72B 'discov':16A,93C 'earlier':11A,88C 'execut':58B 'exploit':37B,79B 'field':111C 'flaw':59B 'host':43B 'infrastructur':38B 'list':75B 'login':63B 'master':3A,33A 'mobile/webnasips':105C 'module/api.php':104C 'nas':8A,39B,52B,85C 'need':61B 'note':83B 'oper':5A,48B 'operating':35A 'os':30A,46B 'password':19A,96C 'pwd':110C 'ransomwar':40B,81B 'read':108C 'remot':13A,56B,90C 'respons':114C 'run':68B 'self':42B 'self-host':41B 'send':21A,98C 'system':6A,36A,49B 'terra':2A,32A 'terra-mast':1A 'terra-master':31A 'terramast':4A,7A,44B,45B,51B,84C 'terramaster':28A,29A,34A 'tnas':102C 'unauthent':65B 'use':82B 'user':100C 'user-ag':99C","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2023-02-07T18:15:09+00:00","kev":{"dateAdded":"2023-02-10","dueDate":"2023-03-03","requiredAction":"Apply updates per vendor instructions.","knownRansomwareCampaignUse":"Known"},"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","cvss_by":"nvd@nist.gov","poc_count":0,"sources":[{"source":"kev","external_id":"CVE-2022-24990","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2022-24990","severity":null,"published_at":"2023-02-10T00:00:00+00:00","modified_at":null,"first_seen_at":"2026-10-23T19:11:52+00:00","fetched_at":"2026-10-26T13:29:35+00:00","note":null},{"source":"nvd","external_id":"CVE-2022-24990","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-24990","severity":null,"published_at":"2023-02-07T18:15:09+00:00","modified_at":"2026-06-17T04:32:54+00:00","first_seen_at":"2026-10-23T22:29:04+00:00","fetched_at":"2026-10-23T22:29:04+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}