{"id":"CVE-2020-4427","kind":"vulnerability","aliases":["CVE-2020-4427"],"related":[],"title":"IBM Data Risk Manager: IBM Data Risk Manager Security Bypass Vulnerability","description":"IBM Data Risk Manager contains a security bypass vulnerability that could allow a remote attacker to bypass security restrictions when configured with SAML authentication. By sending a specially crafted HTTP request, an attacker could exploit this vulnerability to bypass the authentication process and gain full administrative access to the system.\n\nCISA required action: Apply updates per vendor instructions.","summary":"IBM Data Risk Manager has an authentication bypass when SAML login is configured. A remote attacker sends a crafted HTTP request and gets full administrative access.","severity":"critical","cvss":9.8,"epss":0.70031,"exploited":true,"exploited_at":"2021-11-03T00:00:00+00:00","products":[{"name":"IBM Data Risk Manager","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["exploited","ibm-data-risk-manager","other","saml"],"not_affected_if":["no-saml-configured"],"how_to_check":null,"fix":"Apply the IBM update for IBM Data Risk Manager per vendor instructions; the fixed version is not stated in the sources.","status":"open","published_at":"2020-05-07T20:15:12+00:00","first_seen_at":"2026-10-23T19:11:53+00:00","triaged_at":"2026-10-23T21:43:22+00:00","updated_at":"2026-10-23T21:57:35+00:00","category":"other","confidence":0.6,"triage":{"at":"2026-10-23T21:43:22Z","model":"claude-haiku-5-5","output":{"fix":"Apply the IBM update for IBM Data Risk Manager per vendor instructions; the fixed version is not stated in the sources.","reach":"internet","impact":"high","summary":"IBM Data Risk Manager has an authentication bypass when SAML login is configured. A remote attacker sends a crafted HTTP request and gets full administrative access.","category":"other","who_cares":["ibm-data-risk-manager","saml"],"confidence":0.6,"needs_auth":"no","worst_case":"Remote attacker gains full administrative access to the system without credentials","analyst_note":"Find the IBM security bulletin for CVE-2020-4427 to get affected and fixed versions and the SAML-related check; CISA KEV lists it as exploited.","how_to_check":"unknown","needs_analyst":true,"not_affected_if":["no-saml-configured"],"user_interaction":"no","needs_special_setup":"yes","severity_if_unknown":"critical"},"cost_usd":0.000455,"input_tokens":2888,"output_tokens":332,"severity_before":"unknown"},"analyst_status":"queued","analyst_note":"Find the IBM security bulletin for CVE-2020-4427 to get affected and fixed versions and the SAML-related check; CISA KEV lists it as exploited.","search":"'-2020':13A,16A '-4427':14A,17A 'access':55B,102C 'action':108C 'administr':54B,101C 'allow':67C 'appli':109C 'attack':45B,70C,88C 'authent':36B,79C,96C 'bypass':10A,37B,63C,72C,94C 'cisa':106C 'configur':42B,76C 'contain':60C 'could':66C,89C 'craft':48B,84C 'cve':12A,15A 'data':2A,6A,19A,25B,31B,57C 'exploit':22B,90C 'full':53B,100C 'gain':99C 'get':52B 'http':49B,85C 'ibm':1A,5A,18A,24B,30B,56C 'ibm-data-risk-manag':23B 'instruct':113C 'login':40B 'manag':4A,8A,27B,33B,59C 'manager':21A 'per':111C 'process':97C 'remot':44B,69C 'request':50B,86C 'requir':107C 'restrict':74C 'risk':3A,7A,20A,26B,32B,58C 'saml':29B,39B,78C 'secur':9A,62C,73C 'send':46B,81C 'special':83C 'system':105C 'updat':110C 'vendor':112C 'vulner':11A,64C,92C","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2020-05-07T20:15:12+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: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-2020-4427","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2020-4427","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":"2026-10-25T10:39:08+00:00","note":null},{"source":"epss","external_id":"CVE-2020-4427","url":"https://api.first.org/data/v1/epss?cve=CVE-2020-4427","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-2020-4427","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-4427","severity":null,"published_at":"2020-05-07T20:15:12+00:00","modified_at":"2026-06-17T03:19:58+00:00","first_seen_at":"2026-10-23T21:57:35+00:00","fetched_at":"2026-10-23T21:57:35+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"}