{"id":"CVE-2021-44529","kind":"vulnerability","aliases":["CVE-2021-44529"],"related":[],"title":"ivanti endpoint manager cloud services appliance: A code injection vulnerability in the Ivanti EPM Cloud Services Appliance (CSA) allows an unauthenticated user to…","description":"Ivanti Endpoint Manager Cloud Service Appliance (EPM CSA) contains a code injection vulnerability that allows an unauthenticated user to execute malicious code with limited permissions (nobody).\n\nCISA required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","summary":"Ivanti Endpoint Manager Cloud Service Appliance contains a code injection flaw that lets an unauthenticated attacker run malicious code on the appliance. The code runs with limited permissions as the nobody user, and CISA reports active exploitation.","severity":"critical","cvss":9.8,"epss":null,"exploited":true,"exploited_at":"2024-03-25T00:00:00+00:00","products":[{"name":"Ivanti Endpoint Manager Cloud Service Appliance (EPM CSA)","fixed":[],"affected":"","ecosystem":"vendor"},{"name":"ivanti endpoint manager cloud services appliance","fixed":[],"affected":"<= 4.5","ecosystem":"vendor"},{"name":"ivanti endpoint manager cloud services appliance","fixed":[],"affected":"= 4.6","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["appliance","endpoint-manager","exploited","infrastructure","ivanti","ransomware"],"not_affected_if":["not-running-epm-csa"],"how_to_check":null,"fix":"Apply the mitigations from Ivanti's vendor advisory, or stop using the appliance if no mitigation is available (per CISA required action).","status":"open","published_at":"2021-12-08T22:15:10+00:00","first_seen_at":"2026-10-23T19:11:51+00:00","triaged_at":"2026-10-23T21:00:54+00:00","updated_at":"2026-10-23T22:29:05+00:00","category":"infrastructure","confidence":0.7,"triage":{"at":"2026-10-23T21:00:54Z","model":"claude-haiku-5-5","output":{"fix":"Apply the mitigations from Ivanti's vendor advisory, or stop using the appliance if no mitigation is available (per CISA required action).","reach":"internet","impact":"high","summary":"Ivanti Endpoint Manager Cloud Service Appliance contains a code injection flaw that lets an unauthenticated attacker run malicious code on the appliance. The code runs with limited permissions as the nobody user, and CISA reports active exploitation.","category":"infrastructure","who_cares":["ivanti","endpoint-manager","appliance"],"confidence":0.7,"needs_auth":"no","worst_case":"unauthenticated remote code execution as limited nobody user","analyst_note":"Find the Ivanti advisory and the exact affected and fixed versions and mitigation steps; the KEV entry gives no version or check details.","how_to_check":"unknown","needs_analyst":true,"not_affected_if":["not-running-epm-csa"],"user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000472,"input_tokens":2900,"output_tokens":363,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2021':24A,27A '-44529':25A,28A 'action':122C 'activ':92B 'allow':19A,108C 'appli':123C 'applianc':6A,17A,49B,62B,78B,99C 'appliance':34A,42A,48A 'attack':72B 'cisa':90B,120C 'cloud':4A,15A,32A,40A,46A,60B,97C 'code':8A,65B,75B,80B,104C,115C 'contain':63B,102C 'csa':18A,36A,101C 'cve':23A,26A 'discontinu':129C 'endpoint':2A,30A,38A,44A,51B,58B,95C 'endpoint-manag':50B 'epm':14A,35A,100C 'execut':113C 'exploit':53B,93B 'flaw':67B 'infrastructur':54B 'inject':9A,66B,105C 'instruct':127C 'ivanti':1A,13A,29A,37A,43A,55B,57B,94C 'let':69B 'limit':83B,117C 'malici':74B,114C 'manag':3A,52B,59B,96C 'manager':31A,39A,45A 'mitig':124C,135C 'nobodi':87B,119C 'per':125C 'permiss':84B,118C 'product':133C 'ransomwar':56B 'report':91B 'requir':121C 'run':73B,81B 'servic':5A,16A,61B,98C 'service':33A 'services':41A,47A 'unauthent':21A,71B,110C 'unavail':137C 'use':130C 'user':22A,88B,111C 'vendor':126C 'vulner':10A,106C","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2021-12-08T22:15:10+00:00","kev":{"dateAdded":"2024-03-25","dueDate":"2024-04-15","requiredAction":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","knownRansomwareCampaignUse":"Known"},"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cvss_by":"nvd@nist.gov","poc_count":0,"sources":[{"source":"kev","external_id":"CVE-2021-44529","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2021-44529","severity":null,"published_at":"2024-03-25T00:00:00+00:00","modified_at":null,"first_seen_at":"2026-10-23T19:11:51+00:00","fetched_at":"2026-10-25T11:39:15+00:00","note":null},{"source":"nvd","external_id":"CVE-2021-44529","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-44529","severity":null,"published_at":"2021-12-08T22:15:10+00:00","modified_at":"2026-08-04T05:16:27+00:00","first_seen_at":"2026-10-23T22:29:05+00:00","fetched_at":"2026-10-23T22:29:05+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"}