{"id":"CVE-2024-40711","url":"https://www.cyber-defence.io/tools/cve/CVE-2024-40711","generatedAt":"2026-10-31T09:13:55.943Z","title":"Veeam Backup and Replication Deserialization Vulnerability","description":"A deserialization of untrusted data vulnerability with a malicious payload can allow an unauthenticated remote code execution (RCE).","published":"2024-09-07T17:15:13.000Z","lastModified":"2026-06-17T07:46:23.000Z","status":"Analyzed","sourceIdentifier":"support@hackerone.com","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-502"],"affected":["veeam/veeam backup \\& replication"],"epss":{"score":0.90369,"percentile":0.99799,"date":"2026-10-30","history":[]},"kev":{"listed":true,"dateAdded":"2024-10-17","dueDate":"2024-11-07","knownRansomwareCampaignUse":"Known","notes":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.\nhttps://www.veeam.com/kb4649 ; https://nvd.nist.gov/vuln/detail/CVE-2024-40711"},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"Known to be exploited in the wild (CISA KEV, CISA remediation deadline 7 November 2024). Treat as an emergency change: patch or isolate now, then hunt for prior compromise."},"changes":[],"references":[{"url":"https://www.veeam.com/kb4649","tags":["Vendor Advisory"],"source":"support@hackerone.com"},{"url":"https://labs.watchtowr.com/veeam-backup-response-rce-with-auth-but-mostly-without-auth-cve-2024-40711-2/","tags":["Exploit","Third Party Advisory"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-40711","tags":["US Government Resource"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2024-40711","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}