{"basis":"claimed","id":"CVE-2025-34026","name":"Versa Concerto Improper Authentication Vulnerability","vendorProject":"Versa","product":"Concerto","publishedAt":"2025-05-21","cvss":{"score":9.2,"severity":"CRITICAL","version":"4.0"},"exploited":{"kevAdded":"2026-01-22","dueDate":"2026-02-12","ransomware":false},"epss":{"score":0.8178,"percentile":0.99645,"date":"2026-11-02"},"coverage":{"cloudflare":{"status":"blocks","firstOn":"2025-06-02","daysToRule":12},"aws":{"status":"none","firstOn":null,"daysToRule":null},"azure":{"status":"none","firstOn":null,"daysToRule":null},"google":{"status":"none","firstOn":null,"daysToRule":null},"fastly":{"status":"no_history","firstOn":null,"daysToRule":null},"f5":{"status":"rule","firstOn":"2025-08-15","daysToRule":86},"akamai":{"status":"no_source","firstOn":null,"daysToRule":null},"crs":{"status":"none","firstOn":null,"daysToRule":null}},"title":"Versa Concerto Actuator Authentication Bypass Information Leak","description":"The Versa Concerto SD-WAN orchestration platform is vulnerable to an authentication bypass in the Traefik reverse proxy configuration, allowing at attacker to access administrative endpoints. The internal Actuator endpoint can be leveraged for access to heap dumps and trace logs.This issue is known to affect Concerto from 12.1.2 through 12.2.0. Additional versions may be vulnerable.","cwes":["CWE-288"],"vendors":[{"vendor":"cloudflare","status":"blocks","basis":"claimed","firstOn":"2025-06-02","firstIsNew":true,"daysToRule":12,"daysAtMost":null,"freePlan":false,"claims":[{"id":"dfea0f543eaede4f1aa171068be1a1c2e5b1f835bf9246f115e143faea61bce8","cve_id":"CVE-2025-34026","vendor":"cloudflare","product":"Cloudflare Managed Ruleset","rule_id":"a01171de18034901b48a5549a34edb97","rule_name":"Versa Concerto SD-WAN - Auth Bypass - CVE:CVE-2025-34026","change":"new","default_action":"Block","published_on":"2025-06-02","source_url":"https://developers.cloudflare.com/changelog/post/2025-06-02-waf-release/","source_title":"WAF Release - 2025-06-02","excerpt":"Versa Concerto SD-WAN - Auth Bypass - CVE:CVE-2025-34026. Previous action: Log. New action: Block. 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