{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-27520","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","state":"PUBLISHED","assignerShortName":"VulnCheck","dateReserved":"2026-02-19T19:51:07.329Z","datePublished":"2026-02-24T15:07:41.085Z","dateUpdated":"2026-02-26T21:28:10.307Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"10G08-0800GSM Network Switch","vendor":"Binardat Ltd.","versions":[{"lessThan":"V300SP10260209","status":"affected","version":"0","versionType":"custom"}]}],"credits":[{"lang":"en","type":"finder","value":"Kazuma Matsumoto, a security researcher at GMO Cybersecurity by IERAE, Inc."}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"Binardat 10G08-0800GSM network switch firmware versions prior to&nbsp;<span style=\"background-color: rgb(255, 255, 255);\">V300SP10260209</span>&nbsp;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."}],"value":"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."}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.7,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"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","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"NONE","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]},{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-312","description":"CWE-312 Cleartext Storage of Sensitive Information","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-02-24T15:07:41.085Z"},"references":[{"tags":["product"],"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":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/binardat-10g08-0800gsm-network-switch-base64-encoded-password-stored-in-cookie"}],"source":{"discovery":"EXTERNAL"},"title":"Binardat 10G08-0800GSM Network Switch Base64-encoded Password Stored in Cookie","x_generator":{"engine":"Vulnogram 0.5.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-02-26T21:27:32.671892Z","id":"CVE-2026-27520","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-02-26T21:28:10.307Z"}}]}}