{"id":"CVE-2018-14667","kind":"vulnerability","aliases":["CVE-2018-14667"],"related":[],"title":"The RichFaces Framework 3.X through 3.3.4 is vulnerable to Expression Language (EL) injection via the UserResource…","description":"Red Hat JBoss RichFaces Framework contains an expression language injection vulnerability via the UserResource resource. A remote, unauthenticated attacker could exploit this vulnerability to execute malicious code using a chain of Java serialized objects via org.ajax4jsf.resource.UserResource$UriData.\n\nCISA required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","summary":"Red Hat JBoss RichFaces, a Java web UI component library, lets remote attackers inject expression language through its UserResource handler. An unauthenticated attacker can chain serialized Java objects to run arbitrary code on the server.","severity":"critical","cvss":9.8,"epss":null,"exploited":true,"exploited_at":"2023-09-28T00:00:00+00:00","products":[{"name":"Red Hat JBoss RichFaces Framework","fixed":[],"affected":"","ecosystem":"vendor"},{"name":"redhat richfaces","fixed":[],"affected":">= 3.1.0, <= 3.3.4","ecosystem":"vendor"},{"name":"redhat enterprise linux","fixed":[],"affected":"= 5.0","ecosystem":"vendor"},{"name":"redhat enterprise linux","fixed":[],"affected":"= 6.0","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["exploited","java","jboss","package","richfaces","self-hosted"],"not_affected_if":["no-richfaces-dependency"],"how_to_check":null,"fix":"Apply the vendor mitigation or remove RichFaces; the sources do not name a fixed version.","status":"open","published_at":"2018-11-06T22:29:00+00:00","first_seen_at":"2026-10-23T19:11:51+00:00","triaged_at":"2026-10-23T21:04:32+00:00","updated_at":"2026-10-23T22:29:04+00:00","category":"package","confidence":0.8,"triage":{"at":"2026-10-23T21:04:32Z","model":"claude-haiku-5-5","output":{"fix":"Apply the vendor mitigation or remove RichFaces; the sources do not name a fixed version.","reach":"internet","impact":"high","summary":"Red Hat JBoss RichFaces, a Java web UI component library, lets remote attackers inject expression language through its UserResource handler. An unauthenticated attacker can chain serialized Java objects to run arbitrary code on the server.","category":"package","who_cares":["java","jboss","richfaces","self-hosted"],"confidence":0.8,"needs_auth":"no","worst_case":"Remote unauthenticated attacker runs arbitrary code on the server","analyst_note":"Find the vendor mitigation and affected versions for CVE-2018-14667 (Red Hat advisory) and a detection method for the UserResource endpoint, since the sources give neither.","how_to_check":"unknown","needs_analyst":true,"not_affected_if":["no-richfaces-dependency"],"user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"critical"},"cost_usd":0.000469,"input_tokens":2890,"output_tokens":359,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-14667':20A,23A '-2018':19A,22A '3':4A '3.3.4':7A 'action':119C 'appli':120C 'arbitrari':75B 'attack':57B,67B,98C 'chain':69B,109C 'cisa':117C 'code':76B,106C 'compon':53B 'contain':85C 'could':99C 'cve':18A,21A 'discontinu':126C 'el':13A 'enterprise':32A,35A 'execut':104C 'exploit':37B,100C 'express':11A,59B,87C 'framework':3A,28A,84C 'handler':64B 'hat':25A,46B,81C 'host':44B 'inject':14A,58B,89C 'instruct':124C 'java':38B,50B,71B,111C 'jboss':26A,39B,47B,82C 'languag':12A,60B,88C 'let':55B 'librari':54B 'linux':33A,36A 'malici':105C 'mitig':121C,132C 'object':72B,113C 'org.ajax4jsf.resource.userresource':115C 'packag':40B 'per':122C 'product':130C 'red':24A,45B,80C 'redhat':29A,31A,34A 'remot':56B,96C 'requir':118C 'resourc':94C 'richfac':2A,41B,48B,83C 'richfaces':27A,30A 'run':74B 'self':43B 'self-host':42B 'serial':70B,112C 'server':79B 'ui':52B 'unauthent':66B,97C 'unavail':134C 'uridata':116C 'use':107C,127C 'userresourc':17A,63B,93C 'vendor':123C 'via':15A,91C,114C 'vulner':9A,90C,102C 'web':51B 'x':5A","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2018-11-06T22:29:00+00:00","kev":{"dateAdded":"2023-09-28","dueDate":"2023-10-19","requiredAction":"Apply mitigations per vendor instructions 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":"nvd@nist.gov","poc_count":0,"sources":[{"source":"kev","external_id":"CVE-2018-14667","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2018-14667","severity":null,"published_at":"2023-09-28T00:00:00+00:00","modified_at":null,"first_seen_at":"2026-10-23T19:11:51+00:00","fetched_at":"2026-10-25T10:39:05+00:00","note":null},{"source":"nvd","external_id":"CVE-2018-14667","url":"https://nvd.nist.gov/vuln/detail/CVE-2018-14667","severity":null,"published_at":"2018-11-06T22:29:00+00:00","modified_at":"2026-06-17T01:41:24+00:00","first_seen_at":"2026-10-23T22:29:04+00:00","fetched_at":"2026-10-23T22:29:04+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"}