CVE-2021-23253

{"containers": {"cna": {"affected": [{"product": "Opera Mini for Android", "vendor": "n/a", "versions": [{"status": "affected", "version": "Below 53.1"}]}], "descriptions": [{"lang": "en", "value": "Opera Mini for Android below 53.1 displays URL left-aligned in the address field. This allows a malicious attacker to craft a URL with a long domain name, e.g. www.safe.opera.com.attacker.com. With the URL being left-aligned, the user will only see the front part (e.g. www.safe.opera.com\u2026) The exact amount depends on the phone screen size but the attacker can craft a number of different domains and target different phones. Starting with version 53.1 Opera Mini displays long URLs with the top-level domain label aligned to the right of the address field which mitigates the issue."}], "problemTypes": [{"descriptions": [{"description": "Address bar spoofing", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-01-11T15:43:01.000Z", "orgId": "9aee7086-24f5-48b4-9428-908ac90b8b54", "shortName": "Opera"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://security.opera.com/address-bar-spoofing-in-opera-mini-opera-security-advisories/"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security@opera.com", "ID": "CVE-2021-23253", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Opera Mini for Android", "version": {"version_data": [{"version_value": "Below 53.1"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Opera Mini for Android below 53.1 displays URL left-aligned in the address field. This allows a malicious attacker to craft a URL with a long domain name, e.g. www.safe.opera.com.attacker.com. With the URL being left-aligned, the user will only see the front part (e.g. www.safe.opera.com\u2026) The exact amount depends on the phone screen size but the attacker can craft a number of different domains and target different phones. Starting with version 53.1 Opera Mini displays long URLs with the top-level domain label aligned to the right of the address field which mitigates the issue."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Address bar spoofing"}]}]}, "references": {"reference_data": [{"name": "https://security.opera.com/address-bar-spoofing-in-opera-mini-opera-security-advisories/", "refsource": "CONFIRM", "url": "https://security.opera.com/address-bar-spoofing-in-opera-mini-opera-security-advisories/"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T19:05:55.603Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://security.opera.com/address-bar-spoofing-in-opera-mini-opera-security-advisories/"}]}]}, "cveMetadata": {"assignerOrgId": "9aee7086-24f5-48b4-9428-908ac90b8b54", "assignerShortName": "Opera", "cveId": "CVE-2021-23253", "datePublished": "2021-01-11T15:43:01.000Z", "dateReserved": "2021-01-08T00:00:00.000Z", "dateUpdated": "2024-08-03T19:05:55.603Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "Opera Mini for Android", "vendor": "n/a", "versions": [{"status": "affected", "version": "Below 53.1"}]}], "source": "security@opera.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:opera:opera_mini:*:*:*:*:*:android:*:*", "matchCriteriaId": "EA9B517F-93FF-4082-8F4E-622860AC3668", "versionEndExcluding": "53.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Opera Mini for Android below 53.1 displays URL left-aligned in the address field. This allows a malicious attacker to craft a URL with a long domain name, e.g. www.safe.opera.com.attacker.com. With the URL being left-aligned, the user will only see the front part (e.g. www.safe.opera.com\u2026) The exact amount depends on the phone screen size but the attacker can craft a number of different domains and target different phones. Starting with version 53.1 Opera Mini displays long URLs with the top-level domain label aligned to the right of the address field which mitigates the issue."}, {"lang": "es", "value": "Opera Mini para Android versiones por debajo de 53.1, muestra la URL alineada a la izquierda en el campo de direcci\u00f3n. Esto permite a un atacante malicioso crear una URL con un nombre de dominio largo, por ejemplo, www.safe.opera.com.attacker.com. Con la URL alineada a la izquierda, el usuario solo ver\u00e1 la parte frontal (por ejemplo, www.safe.opera.com ...) La cantidad exacta depende del tama\u00f1o de la pantalla del tel\u00e9fono, pero el atacante puede crear varios dominios diferentes y apuntar a diferentes tel\u00e9fonos . A partir de la versi\u00f3n 53.1, Opera Mini muestra URL largas con la etiqueta de dominio de nivel superior alineada a la derecha del campo de direcci\u00f3n, lo que mitiga el problema"}], "id": "CVE-2021-23253", "lastModified": "2026-06-17T03:38:28.703", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-01-11T16:15:15.663", "references": [{"source": "security@opera.com", "tags": ["Vendor Advisory"], "url": "https://security.opera.com/address-bar-spoofing-in-opera-mini-opera-security-advisories/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://security.opera.com/address-bar-spoofing-in-opera-mini-opera-security-advisories/"}], "sourceIdentifier": "security@opera.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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