{"id":"CVE-2019-11539","kind":"vulnerability","aliases":["CVE-2019-11539"],"related":[],"title":"Ivanti Pulse Connect Secure and Pulse Policy Secure: Ivanti Pulse Connect Secure and Policy Secure Command Injection Vulnerability","description":"In Pulse Secure Pulse Connect Secure version 9.0RX before 9.0R3.4, 8.3RX before 8.3R7.1, 8.2RX before 8.2R12.1, and 8.1RX before 8.1R15.1 and Pulse Policy Secure version 9.0RX before 9.0R3.2, 5.4RX before 5.4R7.1, 5.3RX before 5.3R12.1, 5.2RX before 5.2R12.1, and 5.1RX before 5.1R15.1, the admin web interface allows an authenticated attacker to inject and execute commands.","summary":"Ivanti Pulse Connect Secure and Pulse Policy Secure contain a command injection flaw in the admin web interface. An authenticated attacker with admin access can inject operating system commands and have them executed on the appliance.","severity":"high","cvss":8.0,"epss":0.98544,"exploited":true,"exploited_at":"2021-11-03T00:00:00+00:00","products":[{"name":"Ivanti Pulse Connect Secure and Pulse Policy Secure","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["exploited","ivanti","pulse-connect-secure","pulse-policy-secure","ransomware","vendor","vpn"],"not_affected_if":["unknown"],"how_to_check":null,"fix":"Apply the updates per Ivanti vendor instructions (version not stated in the sources).","status":"open","published_at":"2019-04-26T02:29:00+00:00","first_seen_at":"2026-10-23T19:11:53+00:00","triaged_at":"2026-10-23T21:41:51+00:00","updated_at":"2026-10-23T21:57:34+00:00","category":"vendor","confidence":0.6,"triage":{"at":"2026-10-23T21:41:51Z","model":"claude-haiku-5-5","output":{"fix":"Apply the updates per Ivanti vendor instructions (version not stated in the sources).\nunknown","reach":"network","impact":"high","summary":"Ivanti Pulse Connect Secure and Pulse Policy Secure contain a command injection flaw in the admin web interface. An authenticated attacker with admin access can inject operating system commands and have them executed on the appliance.","category":"vendor","who_cares":["ivanti","pulse-connect-secure","pulse-policy-secure","vpn"],"confidence":0.6,"needs_auth":"yes","worst_case":"Attacker with admin login runs arbitrary commands on the appliance.","analyst_note":"Exploited in the wild with EPSS 0.985 and ransomware tag; find the affected and fixed version ranges and the vendor advisory, and check for IOCs in the Ivanti security advisory.","how_to_check":"unknown","needs_analyst":true,"not_affected_if":["unknown"],"user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000472,"input_tokens":2878,"output_tokens":369,"severity_before":"unknown"},"analyst_status":"queued","analyst_note":"Exploited in the wild with EPSS 0.985 and ransomware tag; find the affected and fixed version ranges and the vendor advisory, and check for IOCs in the Ivanti security advisory.","search":"'-11539':21A,24A '-2019':20A,23A '5.1':136C,139C '5.2':130C,133C '5.3':125C,128C '5.4':120C,123C '8.1':105C,108C '8.2':99C,102C '8.3':94C,97C '9.0':89C,92C,115C,118C 'access':69B 'admin':61B,68B,142C 'allow':145C 'and':29A 'applianc':81B 'attack':66B,148C 'authent':65B,147C 'command':16A,56B,74B,153C 'connect':3A,11A,27A,37B,48B,86C 'contain':54B 'cve':19A,22A 'execut':78B,152C 'exploit':33B 'flaw':58B 'inject':17A,57B,71B,150C 'interfac':63B,144C 'ivanti':1A,9A,25A,34B,46B 'oper':72B 'polici':7A,14A,41B,52B,112C 'policy':31A 'puls':2A,6A,10A,36B,40B,47B,51B,83C,85C,111C 'pulse':26A,30A 'pulse-connect-secur':35B 'pulse-policy-secur':39B 'r12.1':103C,129C,134C 'r15.1':109C,140C 'r3.2':119C 'r3.4':93C 'r7.1':98C,124C 'ransomwar':43B 'rx':90C,95C,100C,106C,116C,121C,126C,131C,137C 'secur':4A,8A,12A,15A,38B,42B,49B,53B,84C,87C,113C 'secure':28A,32A 'system':73B 'vendor':44B 'version':88C,114C 'vpn':45B 'vulner':18A 'web':62B,143C","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2019-04-26T02:29:00+00:00","kev":{"dateAdded":"2021-11-03","dueDate":"2022-05-03","requiredAction":"Apply updates per vendor instructions.","knownRansomwareCampaignUse":"Known"},"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-2019-11539","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2019-11539","severity":null,"published_at":"2021-11-03T00:00:00+00:00","modified_at":null,"first_seen_at":"2026-10-23T19:11:53+00:00","fetched_at":"2026-10-25T19:35:27+00:00","note":null},{"source":"epss","external_id":"CVE-2019-11539","url":"https://api.first.org/data/v1/epss?cve=CVE-2019-11539","severity":null,"published_at":null,"modified_at":null,"first_seen_at":"2026-10-23T19:13:44+00:00","fetched_at":"2026-10-23T19:13:44+00:00","note":null},{"source":"nvd","external_id":"CVE-2019-11539","url":"https://nvd.nist.gov/vuln/detail/CVE-2019-11539","severity":null,"published_at":"2019-04-26T02:29:00+00:00","modified_at":"2026-06-17T02:13:07+00:00","first_seen_at":"2026-10-23T21:57:34+00:00","fetched_at":"2026-10-23T21:57:34+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"}