{"id":"CVE-2023-22918","state":"PUBLISHED","title":"A post-authentication information exposure vulnerability in the CGI program of Zyxel ATP series firmware versions 4.32 through 5.35, USG FLEX series firmware versions 4.50 through ","description":"A post-authentication information exposure vulnerability in the CGI program of Zyxel ATP series firmware versions 4.32 through 5.35, USG FLEX series firmware versions 4.50 through 5.35, USG FLEX 50(W) firmware versions 4.16 through 5.35, USG20(W)-VPN firmware versions 4.16 through 5.35, VPN series firmware versions 4.30 through 5.35, NWA110AX firmware version 6.50(ABTG.2) and earlier versions, WAC500 firmware version 6.50(ABVS.0) and earlier versions, and WAX510D firmware version 6.50(ABTF.2) and earlier versions, which could allow a remote authenticated attacker to retrieve encrypted information of the administrator on an affected device.","publishedAt":"2023-04-24T00:00:00.000Z","updatedAt":"2025-02-12T16:01:35.920Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","source":"Zyxel"},"assigner":"Zyxel","products":["Zyxel ATP series firmware","Zyxel USG FLEX series firmware","Zyxel USG FLEX 50(W) firmware","Zyxel USG20(W)-VPN firmware","Zyxel VPN series firmware","Zyxel NWA110AX firmware","Zyxel WAC500 firmware","Zyxel WAX510D firmware"],"affected":[{"vendor":"Zyxel","product":"ATP series firmware","versions":[{"version":"4.32 through 5.35","status":"affected"}]},{"vendor":"Zyxel","product":"USG FLEX series firmware","versions":[{"version":"4.50 through 5.35","status":"affected"}]},{"vendor":"Zyxel","product":"USG FLEX 50(W) firmware","versions":[{"version":"4.16 through 5.35","status":"affected"}]},{"vendor":"Zyxel","product":"USG20(W)-VPN firmware","versions":[{"version":"4.16 through 5.35","status":"affected"}]},{"vendor":"Zyxel","product":"VPN 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6.50(ABTF.2)","status":"affected"}]}],"references":["https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-of-firewalls-and-aps"],"weaknesses":["CWE-359"],"ingestedAt":"2026-10-29T20:05:43.909Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/22xxx/CVE-2023-22918.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-22918","state":"PUBLISHED","datePublished":"2023-04-24T00:00:00.000Z","dateUpdated":"2025-02-12T16:01:35.920Z","assignerShortName":"Zyxel","assignerOrgId":"96e50032-ad0d-4058-a115-4d2c13821f9f","dateReserved":"2023-01-10T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A post-authentication information exposure vulnerability in the CGI program of Zyxel ATP series firmware versions 4.32 through 5.35, USG FLEX series firmware versions 4.50 through 5.35, USG FLEX 50(W) firmware versions 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