CVE-2021-21277

{"containers": {"cna": {"affected": [{"product": "angular-expressions", "vendor": "peerigon", "versions": [{"status": "affected", "version": "< 1.1.2"}]}], "descriptions": [{"lang": "en", "value": "angular-expressions is \"angular's nicest part extracted as a standalone module for the browser and node\". In angular-expressions before version 1.1.2 there is a vulnerability which allows Remote Code Execution if you call \"expressions.compile(userControlledInput)\" where \"userControlledInput\" is text that comes from user input. The security of the package could be bypassed by using a more complex payload, using a \".constructor.constructor\" technique. In terms of impact: If running angular-expressions in the browser, an attacker could run any browser script when the application code calls expressions.compile(userControlledInput). If running angular-expressions on the server, an attacker could run any Javascript expression, thus gaining Remote Code Execution. This is fixed in version 1.1.2 of angular-expressions A temporary workaround might be either to disable user-controlled input that will be fed into angular-expressions in your application or allow only following characters in the userControlledInput."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.5, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:N", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-74", "description": "CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-02-01T15:05:24.000Z", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/peerigon/angular-expressions/security/advisories/GHSA-j6px-jwvv-vpwq"}, {"tags": ["x_refsource_MISC"], "url": "https://www.npmjs.com/package/angular-expressions"}, {"tags": ["x_refsource_MISC"], "url": "http://blog.angularjs.org/2016/09/angular-16-expression-sandbox-removal.html"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/peerigon/angular-expressions/commit/07edb62902b1f6127b3dcc013da61c6316dd0bf1"}], "source": {"advisory": "GHSA-j6px-jwvv-vpwq", "discovery": "UNKNOWN"}, "title": "Angular Expressions - Remote Code Execution", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security-advisories@github.com", "ID": "CVE-2021-21277", "STATE": "PUBLIC", "TITLE": "Angular Expressions - Remote Code Execution"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "angular-expressions", "version": {"version_data": [{"version_value": "< 1.1.2"}]}}]}, "vendor_name": "peerigon"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "angular-expressions is \"angular's nicest part extracted as a standalone module for the browser and node\". In angular-expressions before version 1.1.2 there is a vulnerability which allows Remote Code Execution if you call \"expressions.compile(userControlledInput)\" where \"userControlledInput\" is text that comes from user input. The security of the package could be bypassed by using a more complex payload, using a \".constructor.constructor\" technique. In terms of impact: If running angular-expressions in the browser, an attacker could run any browser script when the application code calls expressions.compile(userControlledInput). If running angular-expressions on the server, an attacker could run any Javascript expression, thus gaining Remote Code Execution. This is fixed in version 1.1.2 of angular-expressions A temporary workaround might be either to disable user-controlled input that will be fed into angular-expressions in your application or allow only following characters in the userControlledInput."}]}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.5, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:N", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')"}]}]}, "references": {"reference_data": [{"name": "https://github.com/peerigon/angular-expressions/security/advisories/GHSA-j6px-jwvv-vpwq", "refsource": "CONFIRM", "url": "https://github.com/peerigon/angular-expressions/security/advisories/GHSA-j6px-jwvv-vpwq"}, {"name": "https://www.npmjs.com/package/angular-expressions", "refsource": "MISC", "url": "https://www.npmjs.com/package/angular-expressions"}, {"name": "http://blog.angularjs.org/2016/09/angular-16-expression-sandbox-removal.html", "refsource": "MISC", "url": "http://blog.angularjs.org/2016/09/angular-16-expression-sandbox-removal.html"}, {"name": "https://github.com/peerigon/angular-expressions/commit/07edb62902b1f6127b3dcc013da61c6316dd0bf1", "refsource": "MISC", "url": "https://github.com/peerigon/angular-expressions/commit/07edb62902b1f6127b3dcc013da61c6316dd0bf1"}]}, "source": {"advisory": "GHSA-j6px-jwvv-vpwq", "discovery": "UNKNOWN"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T18:09:15.102Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/peerigon/angular-expressions/security/advisories/GHSA-j6px-jwvv-vpwq"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.npmjs.com/package/angular-expressions"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://blog.angularjs.org/2016/09/angular-16-expression-sandbox-removal.html"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/peerigon/angular-expressions/commit/07edb62902b1f6127b3dcc013da61c6316dd0bf1"}]}]}, "cveMetadata": {"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2021-21277", "datePublished": "2021-02-01T15:05:24.000Z", "dateReserved": "2020-12-22T00:00:00.000Z", "dateUpdated": "2024-08-03T18:09:15.102Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "angular-expressions", "vendor": "peerigon", "versions": [{"status": "affected", "version": "< 1.1.2"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:peerigon:angular-expressions:*:*:*:*:*:node.js:*:*", "matchCriteriaId": "EF59E19D-CD5E-4B96-8445-154B8B913012", "versionEndExcluding": "1.1.2", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "angular-expressions is \"angular's nicest part extracted as a standalone module for the browser and node\". In angular-expressions before version 1.1.2 there is a vulnerability which allows Remote Code Execution if you call \"expressions.compile(userControlledInput)\" where \"userControlledInput\" is text that comes from user input. The security of the package could be bypassed by using a more complex payload, using a \".constructor.constructor\" technique. In terms of impact: If running angular-expressions in the browser, an attacker could run any browser script when the application code calls expressions.compile(userControlledInput). If running angular-expressions on the server, an attacker could run any Javascript expression, thus gaining Remote Code Execution. This is fixed in version 1.1.2 of angular-expressions A temporary workaround might be either to disable user-controlled input that will be fed into angular-expressions in your application or allow only following characters in the userControlledInput."}, {"lang": "es", "value": "angular-expressions son \"angular's nicest part extracted as a standalone module for the browser and node\".&#xa0;En angular-expressions anteriores a la versi\u00f3n 1.1.2, existe una vulnerabilidad que permite una Ejecuci\u00f3n de C\u00f3digo Remota si llama a \"expression.compile(userControlledInput)\" donde \"userControlledInput\" es texto que proviene de la entrada del usuario.&#xa0;La seguridad del paquete podr\u00eda omitirse usando una carga \u00fatil m\u00e1s compleja, utilizando una t\u00e9cnica \".constructor.constructor\".&#xa0;En t\u00e9rminos de impacto: si ejecuta angular-expressions en el navegador, un atacante podr\u00eda ejecutar cualquier script del navegador cuando el c\u00f3digo de la aplicaci\u00f3n llame a expression.compile(userControlledInput).&#xa0;Si ejecuta angular-expressions en el servidor, un atacante podr\u00eda ejecutar cualquier expresi\u00f3n de Javascript, obteniendo as\u00ed una ejecuci\u00f3n de c\u00f3digo remota.&#xa0;Esto se corrigi\u00f3 en la versi\u00f3n 1.1.2 de angular-expressions. Una soluci\u00f3n temporal podr\u00eda ser deshabilitar la entrada controlada por el usuario que se alimentar\u00e1 en angular-expressions en su aplicaci\u00f3n o permitir solo seguir caracteres en el userControlledInput"}], "id": "CVE-2021-21277", "lastModified": "2026-06-17T03:35:10.707", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 6.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.5, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.1, "impactScore": 4.7, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-02-01T15:15:13.340", "references": [{"source": "security-advisories@github.com", "tags": ["Broken Link", "Vendor Advisory"], "url": "http://blog.angularjs.org/2016/09/angular-16-expression-sandbox-removal.html"}, {"source": "security-advisories@github.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/peerigon/angular-expressions/commit/07edb62902b1f6127b3dcc013da61c6316dd0bf1"}, {"source": "security-advisories@github.com", "tags": ["Vendor Advisory"], "url": "https://github.com/peerigon/angular-expressions/security/advisories/GHSA-j6px-jwvv-vpwq"}, {"source": "security-advisories@github.com", "tags": ["Product"], "url": "https://www.npmjs.com/package/angular-expressions"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link", "Vendor Advisory"], "url": "http://blog.angularjs.org/2016/09/angular-16-expression-sandbox-removal.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/peerigon/angular-expressions/commit/07edb62902b1f6127b3dcc013da61c6316dd0bf1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://github.com/peerigon/angular-expressions/security/advisories/GHSA-j6px-jwvv-vpwq"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Product"], "url": "https://www.npmjs.com/package/angular-expressions"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-74"}], "source": "security-advisories@github.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-94"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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