{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2021-25262", "assignerOrgId": "a51c9250-e584-488d-808b-03e6f1386796", "state": "PUBLISHED", "assignerShortName": "yandex", "dateReserved": "2021-01-15T16:29:27.870Z", "datePublished": "2025-05-21T07:07:29.310Z", "dateUpdated": "2025-05-21T13:51:43.378Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "platforms": ["Android"], "product": "Browser", "vendor": "Yandex", "versions": [{"status": "affected", "version": "21.3.0", "versionType": "custom"}]}], "credits": [{"lang": "en", "type": "finder", "value": "Kirtikumar Anandrao Ramchandani"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Yandex Browser for Android prior to version 21.3.0 allows remote attackers to perform IDN homograph attack."}], "value": "Yandex Browser for Android prior to version 21.3.0 allows remote attackers to perform IDN homograph attack."}], "impacts": [{"capecId": "CAPEC-113", "descriptions": [{"lang": "en", "value": "CAPEC-113 Interface Manipulation"}]}], "metrics": [{"cvssV4_0": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "baseScore": 6.9, "baseSeverity": "MEDIUM", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "ACTIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/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"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-116", "description": "CWE-116 Improper Encoding or Escaping of Output", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "a51c9250-e584-488d-808b-03e6f1386796", "shortName": "yandex", "dateUpdated": "2025-05-21T07:07:29.310Z"}, "references": [{"url": "https://yandex.com/bugbounty/i/hall-of-fame-browser/"}], "source": {"discovery": "UNKNOWN"}, "title": "Yandex Browser for Android prior to version 21.3.0 allows remote attackers to perform IDN homograph attack.", "x_generator": {"engine": "Vulnogram 0.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-05-21T13:51:35.327719Z", "id": "CVE-2021-25262", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"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": "2025-05-21T13:51:43.378Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2021-25262", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-05-21T13:51:35.327719Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-05-21T13:51:38.376Z"}}], "cna": {"title": "Yandex Browser for Android prior to version 21.3.0 allows remote attackers to perform IDN homograph attack.", "source": {"discovery": "UNKNOWN"}, "credits": [{"lang": "en", "type": "finder", "value": "Kirtikumar Anandrao Ramchandani"}], "impacts": [{"capecId": "CAPEC-113", "descriptions": [{"lang": "en", "value": "CAPEC-113 Interface Manipulation"}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 6.9, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N", "providerUrgency": "NOT_DEFINED", "userInteraction": "ACTIVE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Yandex", "product": "Browser", "versions": [{"status": "affected", "version": "21.3.0", "versionType": "custom"}], "platforms": ["Android"], "defaultStatus": "unaffected"}], "references": [{"url": "https://yandex.com/bugbounty/i/hall-of-fame-browser/"}], "x_generator": {"engine": "Vulnogram 0.2.0"}, "descriptions": [{"lang": "en", "value": "Yandex Browser for Android prior to version 21.3.0 allows remote attackers to perform IDN homograph attack.", "supportingMedia": [{"type": "text/html", "value": "Yandex Browser for Android prior to version 21.3.0 allows remote attackers to perform IDN homograph attack.", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-116", "description": "CWE-116 Improper Encoding or Escaping of Output"}]}], "providerMetadata": {"orgId": "a51c9250-e584-488d-808b-03e6f1386796", "shortName": "yandex", "dateUpdated": "2025-05-21T07:07:29.310Z"}}}, "cveMetadata": {"cveId": "CVE-2021-25262", "state": "PUBLISHED", "dateUpdated": "2025-05-21T13:51:43.378Z", "dateReserved": "2021-01-15T16:29:27.870Z", "assignerOrgId": "a51c9250-e584-488d-808b-03e6f1386796", "datePublished": "2025-05-21T07:07:29.310Z", "assignerShortName": "yandex"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:yandex:yandex_browser:*:*:*:*:*:*:*:*", "matchCriteriaId": "0135C6B0-3140-4C01-B6E6-BFE83F2FF008", "versionEndExcluding": "21.3.0", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:o:google:android:-:*:*:*:*:*:*:*", "matchCriteriaId": "F8B9FEC8-73B6-43B8-B24E-1F7C20D91D26", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Yandex Browser for Android prior to version 21.3.0 allows remote attackers to perform IDN homograph attack."}, {"lang": "es", "value": "Yandex Browser para Android anterior a la versi\u00f3n 21.3.0 permite a atacantes remotos realizar ataques de hom\u00f3grafos IDN."}], "id": "CVE-2021-25262", "lastModified": "2025-06-10T15:49:44.813", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 2.5, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 6.9, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "ACTIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/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", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "browser-security@yandex-team.ru", "type": "Secondary"}]}, "published": "2025-05-21T07:16:00.653", "references": [{"source": "browser-security@yandex-team.ru", "tags": ["Vendor Advisory"], "url": "https://yandex.com/bugbounty/i/hall-of-fame-browser/"}], "sourceIdentifier": "browser-security@yandex-team.ru", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-116"}], "source": "browser-security@yandex-team.ru", "type": "Secondary"}]}

{}

{}