{"id":"CVE-2026-27520","aliases":["EUVD-2026-8537","GHSA-m84g-fpm8-mqg8"],"status":"published","title":"Binardat 10G08-0800GSM Network Switch Base64-encoded Password Stored in Cookie","description":"Binardat 10G08-0800GSM network switch firmware versions prior to V300SP10260209 store a user password in a client-side cookie as a Base64-encoded value accessible via the web interface. Because Base64 is reversible and provides no confidentiality, an attacker who can access the cookie value can recover the plaintext password.","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":0.00223,"percentile":0.12966,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-312"],"published":"2026-02-24T15:07:41Z","modified":"2026-06-17T10:27:17Z","products":[{"vendor":"binardat","product":"10g08-0800gsm_firmware"},{"vendor":"binardat ltd.","product":"10g08-0800gsm network switch"}],"references":[{"url":"https://www.binardat.com/products/8-port-10-gigabit-sfp-managed-switch,-support-1g-sfp-and-10g-sfp-module,-160gbps-bandwidth,-l3-web-managed,-metal-fanless-fiber-binardat-network-switch","tags":["product","Product"]},{"url":"https://www.vulncheck.com/advisories/binardat-10g08-0800gsm-network-switch-base64-encoded-password-stored-in-cookie","tags":["third-party-advisory","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27520"},{"url":"https://github.com/advisories/GHSA-m84g-fpm8-mqg8"}],"sources":{"cve":[{"id":"CVE-2026-27520","title":"Binardat 10G08-0800GSM Network Switch Base64-encoded Password Stored in Cookie","description":"Binardat 10G08-0800GSM network switch firmware versions prior to V300SP10260209 store a user password in a client-side cookie as a Base64-encoded value accessible via the web interface. Because Base64 is reversible and provides no confidentiality, an attacker who can access the cookie value can recover the plaintext password.","status":"published","published":"2026-02-24T15:07:41.085Z","modified":"2026-02-26T21:28:10.307Z","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"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-312"],"updated_at":"2026-11-02T14:19:49.199185Z"}],"euvd":[{"id":"EUVD-2026-8537","description":"Binardat 10G08-0800GSM network switch firmware versions prior to V300SP10260209 store a user password in a client-side cookie as a Base64-encoded value accessible via the web interface. Because Base64 is reversible and provides no confidentiality, an attacker who can access the cookie value can recover the plaintext password.","status":"published","published":"2026-02-24T15:07:41Z","modified":"2026-02-26T21:28:10Z","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":"2026-11-02T19:48:14.049749Z"}],"ghsa":[{"id":"GHSA-m84g-fpm8-mqg8","title":"Binardat 10G08-0800GSM network switch firmware versions prior to V300SP10260209 store a user...","description":"Binardat 10G08-0800GSM network switch firmware versions prior to V300SP10260209 store a user password in a client-side cookie as a Base64-encoded value accessible via the web interface. Because Base64 is reversible and provides no confidentiality, an attacker who can access the cookie value can recover the plaintext password.","status":"published","published":"2026-02-24T18:31:02Z","modified":"2026-02-24T18:31:09Z","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"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-312"],"updated_at":"2026-11-02T15:06:21.035092Z"}],"nvd":[{"id":"CVE-2026-27520","description":"Binardat 10G08-0800GSM network switch firmware versions prior to V300SP10260209 store a user password in a client-side cookie as a Base64-encoded value accessible via the web interface. Because Base64 is reversible and provides no confidentiality, an attacker who can access the cookie value can recover the plaintext password.","status":"published","published":"2026-02-24T16:24:09.813Z","modified":"2026-06-17T10:27:17.97Z","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"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-312"],"updated_at":"2026-11-02T14:12:07.027269Z"}]}}