{"id":"CVE-2022-40139","kind":"vulnerability","aliases":["CVE-2022-40139"],"related":[],"title":"trendmicro apex one: Improper validation of some components used by the rollback mechanism in Trend Micro Apex One and Trend Micro Apex…","description":"Improper validation of some components used by the rollback mechanism in Trend Micro Apex One and Trend Micro Apex One as a Service clients could allow a Apex One server administrator to instruct affected clients to download an unverified rollback package, which could lead to remote code execution. Please note: an attacker must first obtain Apex One server administration console access in order to exploit this vulnerability.","summary":"Trend Micro Apex One and Apex One as a Service have an improper validation flaw in the rollback mechanism of their components. An attacker can use it to run code remotely.","severity":"high","cvss":7.2,"epss":0.03291,"exploited":true,"exploited_at":"2022-09-15T00:00:00+00:00","products":[{"name":"Trend Micro Apex One and Apex One as a Service","fixed":[],"affected":"","ecosystem":"vendor"},{"name":"trendmicro apex one","fixed":[],"affected":"","ecosystem":"vendor"},{"name":"trendmicro apex one","fixed":[],"affected":"= 2019","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["apex-one","endpoint-security","exploited","trend-micro","vendor"],"not_affected_if":["not-running-apex-one"],"how_to_check":null,"fix":"Apply the updates from Trend Micro per vendor instructions, as CISA requires. Specific fixed versions: unknown","status":"open","published_at":"2022-09-15T00:00:00+00:00","first_seen_at":"2026-10-23T19:11:52+00:00","triaged_at":"2026-10-23T21:10:38+00:00","updated_at":"2026-10-23T22:29:04+00:00","category":"vendor","confidence":0.6,"triage":{"at":"2026-10-23T21:10:38Z","model":"claude-haiku-5-5","output":{"fix":"Apply the updates from Trend Micro per vendor instructions, as CISA requires. Specific fixed versions: unknown","reach":"unknown","impact":"high","summary":"Trend Micro Apex One and Apex One as a Service have an improper validation flaw in the rollback mechanism of their components. An attacker can use it to run code remotely.","category":"vendor","who_cares":["trend-micro","apex-one","endpoint-security"],"confidence":0.6,"needs_auth":"unknown","worst_case":"Attacker runs remote code on the Apex One endpoint server","analyst_note":"Find the Trend Micro advisory and fixed build numbers for Apex One and Apex One as a Service, plus any detection or check steps (CISA KEV entry lists this as exploited).","how_to_check":"unknown","needs_analyst":true,"not_affected_if":["not-running-apex-one"],"user_interaction":"unknown","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.00046,"input_tokens":2855,"output_tokens":349,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2022':24A,27A '-40139':25A,28A 'a':37A 'access':147C 'administr':117C,145C 'affect':120C 'allow':112C 'and':33A 'apex':2A,17A,22A,31A,34A,40A,43A,46B,58B,61B,100C,105C,114C,142C 'apex-on':45B 'as':36A 'attack':79B,138C 'client':110C,121C 'code':85B,133C 'compon':8A,77B,91C 'consol':146C 'could':111C,129C 'cve':23A,26A 'download':123C 'endpoint':49B 'endpoint-secur':48B 'execut':134C 'exploit':51B,151C 'first':140C 'flaw':70B 'improp':4A,68B,87C 'instruct':119C 'lead':130C 'mechan':13A,74B,96C 'micro':16A,21A,30A,54B,57B,99C,104C 'must':139C 'note':136C 'obtain':141C 'one':3A,18A,32A,35A,41A,44A,47B,59B,62B,101C,106C,115C,143C 'order':149C 'packag':127C 'pleas':135C 'remot':86B,132C 'rollback':12A,73B,95C,126C 'run':84B 'secur':50B 'server':116C,144C 'servic':65B,109C 'service':38A 'trend':15A,20A,29A,53B,56B,98C,103C 'trend-micro':52B 'trendmicro':1A,39A,42A 'unverifi':125C 'use':9A,81B,92C 'valid':5A,69B,88C 'vendor':55B 'vulner':153C","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2022-09-15T00:00:00+00:00","kev":{"dateAdded":"2022-09-15","dueDate":"2022-10-06","requiredAction":"Apply updates per vendor instructions.","knownRansomwareCampaignUse":"Unknown"},"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","cvss_by":"nvd@nist.gov","poc_count":0,"sources":[{"source":"kev","external_id":"CVE-2022-40139","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2022-40139","severity":null,"published_at":"2022-09-15T00:00:00+00:00","modified_at":null,"first_seen_at":"2026-10-23T19:11:52+00:00","fetched_at":"2026-10-25T19:35:23+00:00","note":null},{"source":"epss","external_id":"CVE-2022-40139","url":"https://api.first.org/data/v1/epss?cve=CVE-2022-40139","severity":null,"published_at":null,"modified_at":null,"first_seen_at":"2026-10-23T19:13:45+00:00","fetched_at":"2026-10-23T19:13:45+00:00","note":null},{"source":"nvd","external_id":"CVE-2022-40139","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-40139","severity":null,"published_at":"2022-09-19T18:15:09+00:00","modified_at":"2026-06-17T05:01:01+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"}