{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-34026","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","state":"PUBLISHED","assignerShortName":"VulnCheck","dateReserved":"2025-04-15T19:15:22.545Z","datePublished":"2025-05-21T22:04:58.832Z","dateUpdated":"2026-01-23T14:34:06.013Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unknown","modules":["Traefik"],"product":"Concerto","vendor":"Versa","versions":[{"lessThanOrEqual":"12.2.0","status":"affected","version":"12.1.2","versionType":"semver"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:versa:concerto:*:*:*:*:*:*:*:*","versionEndIncluding":"12.2.0","versionStartIncluding":"12.1.2","vulnerable":true}],"negate":false,"operator":"OR"}],"operator":"OR"}],"credits":[{"lang":"en","type":"sponsor","value":"ProjectDiscovery"},{"lang":"en","type":"finder","value":"Harsh Jaiswal"},{"lang":"en","type":"finder","value":"Rahul Maini"},{"lang":"en","type":"finder","value":"Parth Malhotra"}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"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.<p>This issue is known to affect Concerto from 12.1.2 through 12.2.0. Additional versions may be vulnerable.</p>"}],"value":"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."}],"impacts":[{"capecId":"CAPEC-131","descriptions":[{"lang":"en","value":"CAPEC-131 Resource Leak Exposure"}]}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":9.2,"baseSeverity":"CRITICAL","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"HIGH","subIntegrityImpact":"LOW","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:L/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"NONE","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-288","description":"CWE-288 Authentication Bypass Using an Alternate Path or Channel","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2025-11-28T19:42:27.561Z"},"references":[{"tags":["exploit","mitigation"],"url":"https://projectdiscovery.io/blog/versa-concerto-authentication-bypass-rce"}],"source":{"discovery":"UNKNOWN"},"title":"Versa Concerto Actuator Authentication Bypass Information Leak","x_generator":{"engine":"vulncheck"}},"adp":[{"references":[{"url":"https://projectdiscovery.io/blog/versa-concerto-authentication-bypass-rce","tags":["exploit"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-34026","tags":["government-resource"]},{"url":"https://security-portal.versa-networks.com/emailbulletins/6830f94328defa375486ff2e","tags":["vendor-advisory"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-01-23T14:34:03.184960Z","id":"CVE-2025-34026","options":[{"Exploitation":"active"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}},{"other":{"type":"kev","content":{"dateAdded":"2026-01-22","reference":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-34026"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-01-23T14:34:06.013Z"}}]}}