{"id":"CVE-2020-15069","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-15069","generatedAt":"2026-10-31T16:13:56.496Z","title":"Sophos XG Firewall Buffer Overflow Vulnerability","description":"Sophos XG Firewall 17.x through v17.5 MR12 allows a Buffer Overflow and remote code execution via the HTTP/S Bookmarks feature for clientless access. Hotfix HF062020.1 was published for all firewalls running v17.x.","published":"2020-06-29T18:15:12.000Z","lastModified":"2026-06-17T02:56:00.000Z","status":"Analyzed","sourceIdentifier":"cve@mitre.org","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-120"],"affected":["sophos/xg firewall firmware"],"epss":{"score":0.10674,"percentile":0.95799,"date":"2026-10-30","history":[]},"kev":{"listed":true,"dateAdded":"2025-02-06","dueDate":"2025-02-27","knownRansomwareCampaignUse":"Unknown","notes":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.\nhttps://community.sophos.com/b/security-blog/posts/advisory-buffer-overflow-vulnerability-in-user-portal ; https://nvd.nist.gov/vuln/detail/CVE-2020-15069"},"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 27 February 2025). Treat as an emergency change: patch or isolate now, then hunt for prior compromise."},"changes":[],"references":[{"url":"https://community.sophos.com/b/security-blog/posts/advisory-buffer-overflow-vulnerability-in-user-portal","tags":["Mitigation","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://community.sophos.com/b/security-blog/posts/advisory-buffer-overflow-vulnerability-in-user-portal","tags":["Mitigation","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-15069","tags":["US Government Resource"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-15069","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."}