{"document":{"category":"csaf_vex","csaf_version":"2.0","distribution":{"text":"Copyright © Red Hat, Inc. All rights reserved.","tlp":{"label":"WHITE","url":"https://www.first.org/tlp/"}},"lang":"en","notes":[{"category":"legal_disclaimer","text":"This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.","title":"Terms of Use"}],"publisher":{"category":"vendor","contact_details":"https://access.redhat.com/security/team/contact/","issuing_authority":"Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.","name":"Red Hat Product Security","namespace":"https://www.redhat.com"},"references":[{"category":"self","summary":"Canonical URL","url":"https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-23131.json"}],"title":"zabbix: Unsafe client-side session storage leading to authentication bypass / instance takeover via Zabbix Frontend with configured SAML","tracking":{"current_release_date":"2025-11-21T13:45:44+00:00","generator":{"date":"2025-11-21T13:45:44+00:00","engine":{"name":"Red Hat SDEngine","version":"4.6.12"}},"id":"CVE-2022-23131","initial_release_date":"2022-01-13T00:00:00+00:00","revision_history":[{"date":"2022-01-13T00:00:00+00:00","number":"1","summary":"Initial version"},{"date":"2025-03-12T21:10:54+00:00","number":"2","summary":"Current version"},{"date":"2025-11-21T13:45:44+00:00","number":"3","summary":"Last generated version"}],"status":"final","version":"3"}},"product_tree":{"branches":[{"category":"vendor","name":"Red Hat","product":{"name":"All currently supported Red Hat products","product_id":"red_hat_products","product_identification_helper":{"cpe":"cpe:/a:redhat"}}}]},"vulnerabilities":[{"cve":"CVE-2022-23131","discovery_date":"2022-01-14T00:00:00+00:00","flags":[{"label":"vulnerable_code_not_present","product_ids":["red_hat_products"]}],"notes":[{"category":"description","text":"In the case of instances where the SAML SSO authentication is enabled (non-default), session data can be modified by a malicious actor, because a user login stored in the session was not verified. Malicious unauthenticated actor may exploit this issue to escalate privileges and gain admin access to Zabbix Frontend. To perform the attack, SAML authentication is required to be enabled and the actor has to know the username of Zabbix user (or use the guest account, which is disabled by default).","title":"Vulnerability description"},{"category":"other","text":"Red Hat Product Security has determined that this vulnerability does not affect any currently supported Red Hat product. This assessment may evolve based on further analysis and discovery. For more information about this vulnerability and the products it affects, please see the linked references.","title":"Statement"},{"category":"general","text":"The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.","title":"CVSS score applicability"}],"product_status":{"known_not_affected":["red_hat_products"]},"references":[{"category":"self","summary":"Canonical URL","url":"https://access.redhat.com/security/cve/CVE-2022-23131"},{"category":"external","summary":"https://www.cve.org/CVERecord?id=CVE-2022-23131","url":"https://www.cve.org/CVERecord?id=CVE-2022-23131"}],"release_date":"2022-01-13T00:00:00+00:00","scores":[{"cvss_v3":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":9.1,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","version":"3.1"},"products":["red_hat_products"]}],"title":"zabbix: Unsafe client-side session storage leading to authentication bypass / instance takeover via Zabbix Frontend with configured SAML"}]}