{"id":"CVE-2021-4471","aliases":["EUVD-2021-34722","GHSA-c65r-5x48-pvc5"],"status":"published","title":"TG8 Firewall Unauthenticated User Password Disclosure","description":"TG8 Firewall exposes a directory such as /data/ over HTTP without authentication. This directory stores credential files for previously logged-in users. A remote unauthenticated attacker can enumerate and download files within the directory to obtain valid account usernames and passwords, leading to loss of confidentiality and further unauthorized access.","severity":{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00526,"percentile":0.44868,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-538"],"published":"2025-11-14T22:50:25Z","modified":"2026-06-17T04:19:49Z","products":[{"vendor":"tg8","product":"tg8 firewall"}],"references":[{"url":"https://ssd-disclosure.com/ssd-advisory-tg8-firewall-preauth-rce-and-password-disclosure/","tags":["technical-description","exploit"]},{"url":"https://web.archive.org/web/20211024224240/http://www.tg8security.com/","tags":["product"]},{"url":"https://www.vulncheck.com/advisories/tg8-firewall-unauthenticated-user-password-disclosure","tags":["third-party-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-4471"},{"url":"https://ssd-disclosure.com/ssd-advisory-tg8-firewall-preauth-rce-and-password-disclosure"},{"url":"https://web.archive.org/web/20211024224240/http://www.tg8security.com"},{"url":"https://github.com/advisories/GHSA-c65r-5x48-pvc5"}],"sources":{"cve":[{"id":"CVE-2021-4471","title":"TG8 Firewall Unauthenticated User Password Disclosure","description":"TG8 Firewall exposes a directory such as /data/ over HTTP without authentication. This directory stores credential files for previously logged-in users. A remote unauthenticated attacker can enumerate and download files within the directory to obtain valid account usernames and passwords, leading to loss of confidentiality and further unauthorized access.","status":"published","published":"2025-11-14T22:50:25.482Z","modified":"2025-11-17T20:44:47.274Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"high","assessor":"cna"}],"cwes":["CWE-538"],"updated_at":"2026-11-02T14:33:07.697752Z"}],"euvd":[{"id":"EUVD-2021-34722","description":"TG8 Firewall exposes a directory such as /data/ over HTTP without authentication. This directory stores credential files for previously logged-in users. A remote unauthenticated attacker can enumerate and download files within the directory to obtain valid account usernames and passwords, leading to loss of confidentiality and further unauthorized access.","status":"published","published":"2025-11-14T22:50:25Z","modified":"2025-11-17T20:44:47Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T19:49:15.806163Z"}],"ghsa":[{"id":"GHSA-c65r-5x48-pvc5","title":"TG8 Firewall exposes a directory such as /data/ over HTTP without authentication. This directory...","description":"TG8 Firewall exposes a directory such as /data/ over HTTP without authentication. This directory stores credential files for previously logged-in users. A remote unauthenticated attacker can enumerate and download files within the directory to obtain valid account usernames and passwords, leading to loss of confidentiality and further unauthorized access.","status":"published","published":"2025-11-15T00:30:26Z","modified":"2025-11-15T00:30:32Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"}],"cwes":["CWE-538"],"updated_at":"2026-11-02T15:04:49.095554Z"}],"nvd":[{"id":"CVE-2021-4471","description":"TG8 Firewall exposes a directory such as /data/ over HTTP without authentication. This directory stores credential files for previously logged-in users. A remote unauthenticated attacker can enumerate and download files within the directory to obtain valid account usernames and passwords, leading to loss of confidentiality and further unauthorized access.","status":"published","published":"2025-11-14T23:15:43.27Z","modified":"2026-06-17T04:19:49.653Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"}],"cwes":["CWE-538"],"updated_at":"2026-11-02T14:07:09.005706Z"}]}}
