{"id":"CVE-2025-2747","kind":"vulnerability","aliases":["CVE-2025-2747"],"related":[],"title":"An authentication bypass vulnerability in Kentico Xperience allows authentication bypass via the Staging Sync Server…","description":"Kentico Xperience CMS contains an authentication bypass using an alternate path or channel vulnerability that could allow an attacker to control administrative objects.\n\nCISA required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","summary":"Kentico Xperience CMS has an authentication bypass that lets an attacker reach administrative objects without logging in. CISA lists it as actively exploited in the wild.","severity":"critical","cvss":9.8,"epss":null,"exploited":true,"exploited_at":"2025-10-20T00:00:00+00:00","products":[{"name":"Kentico Xperience CMS","fixed":[],"affected":"","ecosystem":"vendor"},{"name":"kentico xperience","fixed":[],"affected":"<= 13.0.178","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["cms","exploited","kentico","kentico-xperience","self-hosted","vendor"],"not_affected_if":["unknown"],"how_to_check":null,"fix":"Apply the mitigations from the Kentico vendor advisory; if none are available, CISA says to discontinue use of the product.","status":"open","published_at":"2025-03-24T19:15:51+00:00","first_seen_at":"2026-10-23T19:11:51+00:00","triaged_at":"2026-10-23T20:44:28+00:00","updated_at":"2026-10-23T23:44:51+00:00","category":"vendor","confidence":0.6,"triage":{"at":"2026-10-23T20:44:28Z","model":"claude-haiku-5-5","output":{"fix":"Apply the mitigations from the Kentico vendor advisory; if none are available, CISA says to discontinue use of the product.","reach":"internet","summary":"Kentico Xperience CMS has an authentication bypass that lets an attacker reach administrative objects without logging in. CISA lists it as actively exploited in the wild.","category":"vendor","who_cares":["kentico","kentico-xperience","self-hosted","cms"],"confidence":0.6,"needs_auth":"no","worst_case":"Attacker controls administrative objects in the CMS without credentials, possibly leading to full site takeover.","analyst_note":"Find the Kentico vendor advisory and the affected/fixed version ranges; the sources give no versions or mitigation steps.","how_to_check":"unknown","needs_analyst":true,"not_affected_if":["unknown"],"user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000419,"input_tokens":2549,"output_tokens":328,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-01':98C '-2025':17A,20A '-2747':18A,21A '22':97C 'action':88C 'activ':58B 'administr':49B,84C 'allow':8A,79C 'altern':72C 'appli':89C 'applic':95C 'attack':47B,81C 'authent':2A,9A,42B,68C 'bod':96C 'bypass':3A,10A,43B,69C 'channel':75C 'cisa':54B,86C 'cloud':101C 'cms':24A,27B,39B,65C 'contain':66C 'control':83C 'could':78C 'cve':16A,19A 'discontinu':104C 'exploit':28B,59B 'follow':94C 'guidanc':99C 'host':35B 'instruct':93C 'kentico':6A,22A,25A,29B,31B,37B,63C 'kentico-xperi':30B 'let':45B 'list':55B 'log':52B 'mitig':90C,110C 'object':50B,85C 'path':73C 'per':91C 'product':108C 'reach':48B 'requir':87C 'self':34B 'self-host':33B 'server':15A 'servic':102C 'stage':13A 'sync':14A 'unavail':112C 'use':70C,105C 'vendor':36B,92C 'via':11A 'vulner':4A,76C 'wild':62B 'without':51B 'xperienc':7A,32B,38B,64C 'xperience':23A,26A","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2025-03-24T19:15:51+00:00","kev":{"dateAdded":"2025-10-20","dueDate":"2025-11-10","requiredAction":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","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":"disclosure@vulncheck.com","poc_count":0,"sources":[{"source":"kev","external_id":"CVE-2025-2747","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2025-2747","severity":null,"published_at":"2025-10-20T00:00:00+00:00","modified_at":null,"first_seen_at":"2026-10-23T19:11:51+00:00","fetched_at":"2026-10-25T16:39:45+00:00","note":null},{"source":"nvd","external_id":"CVE-2025-2747","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-2747","severity":null,"published_at":"2025-03-24T19:15:51+00:00","modified_at":"2026-06-17T09:07:33+00:00","first_seen_at":"2026-10-23T23:44:51+00:00","fetched_at":"2026-10-23T23:44:51+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"}