{"id":"CVE-2020-8260","kind":"vulnerability","aliases":["CVE-2020-8260"],"related":[],"title":"Ivanti Pulse Connect Secure: Ivanti Pulse Connect Secure Code Execution Vulnerability","description":"Pulse Connect Secure contains an unspecified vulnerability that allows an authenticated attacker to perform code execution using uncontrolled gzip extraction.\n\nCISA required action: Apply updates per vendor instructions.","summary":"Ivanti Pulse Connect Secure contains a flaw in gzip extraction that lets an authenticated attacker run code. CISA lists it as actively exploited in the wild.","severity":"critical","cvss":7.2,"epss":0.9648,"exploited":true,"exploited_at":"2021-11-03T00:00:00+00:00","products":[{"name":"Ivanti Pulse Connect Secure","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["exploited","ivanti","pulse-connect-secure","vendor","vpn"],"not_affected_if":["not-pulse-connect-secure"],"how_to_check":null,"fix":"Apply the updates per the vendor instructions (Ivanti advisory); specific fixed versions are not stated in the sources.","status":"open","published_at":"2020-10-28T13:15:13+00:00","first_seen_at":"2026-10-23T19:11:53+00:00","triaged_at":"2026-10-23T21:41:42+00:00","updated_at":"2026-10-23T21:57:34+00:00","category":"vendor","confidence":0.6,"triage":{"at":"2026-10-23T21:41:42Z","model":"claude-haiku-5-5","output":{"fix":"Apply the updates per the vendor instructions (Ivanti advisory); specific fixed versions are not stated in the sources.","reach":"internet","impact":"high","summary":"Ivanti Pulse Connect Secure contains a flaw in gzip extraction that lets an authenticated attacker run code. CISA lists it as actively exploited in the wild.","category":"vendor","who_cares":["ivanti","pulse-connect-secure","vpn"],"confidence":0.6,"needs_auth":"yes","worst_case":"Authenticated attacker runs code on the Pulse Connect Secure appliance.","analyst_note":"Find the Ivanti advisory and fixed versions for CVE-2020-8260 and the affected release list; sources give no versions or check steps.","how_to_check":"unknown","needs_analyst":true,"not_affected_if":["not-pulse-connect-secure"],"user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"critical"},"cost_usd":0.000457,"input_tokens":2849,"output_tokens":345,"severity_before":"unknown"},"analyst_status":"queued","analyst_note":"Find the Ivanti advisory and fixed versions for CVE-2020-8260 and the affected release list; sources give no versions or check steps.","search":"'-2020':13A,16A '-8260':14A,17A 'action':78C 'activ':51B 'allow':64C 'appli':79C 'attack':44B,67C 'authent':43B,66C 'cisa':47B,76C 'code':9A,46B,70C 'connect':3A,7A,20A,26B,32B,57C 'contain':34B,59C 'cve':12A,15A 'execut':10A,71C 'exploit':22B,52B 'extract':39B,75C 'flaw':36B 'gzip':38B,74C 'instruct':83C 'ivanti':1A,5A,18A,23B,30B 'let':41B 'list':48B 'per':81C 'perform':69C 'puls':2A,6A,25B,31B,56C 'pulse':19A 'pulse-connect-secur':24B 'requir':77C 'run':45B 'secur':4A,8A,27B,33B,58C 'secure':21A 'uncontrol':73C 'unspecifi':61C 'updat':80C 'use':72C 'vendor':28B,82C 'vpn':29B 'vulner':11A,62C 'wild':55B","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2020-10-28T13:15:13+00:00","kev":{"dateAdded":"2021-11-03","dueDate":"2022-05-03","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-2020-8260","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2020-8260","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":"2026-10-25T14:39:41+00:00","note":null},{"source":"epss","external_id":"CVE-2020-8260","url":"https://api.first.org/data/v1/epss?cve=CVE-2020-8260","severity":null,"published_at":null,"modified_at":null,"first_seen_at":"2026-10-23T19:13:43+00:00","fetched_at":"2026-10-23T19:13:43+00:00","note":null},{"source":"nvd","external_id":"CVE-2020-8260","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-8260","severity":null,"published_at":"2020-10-28T13:15:13+00:00","modified_at":"2026-06-17T03:26:09+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"}