CVE-2020-13661

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "Telerik Fiddler through 5.0.20202.18177 allows attackers to execute arbitrary programs via a hostname with a trailing space character, followed by --utility-and-browser --utility-cmd-prefix= and the pathname of a locally installed program. The victim must interactively choose the Open On Browser option. Fixed in version 5.0.20204."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2020-11-05T18:18:58.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.telerik.com/support/whats-new/release-history"}, {"tags": ["x_refsource_MISC"], "url": "https://www.nagenrauft-consulting.com/blog/"}, {"tags": ["x_refsource_MISC"], "url": "https://www.telerik.com/support/whats-new/fiddler/release-history/fiddler-v5.0.20204"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2020-13661", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Telerik Fiddler through 5.0.20202.18177 allows attackers to execute arbitrary programs via a hostname with a trailing space character, followed by --utility-and-browser --utility-cmd-prefix= and the pathname of a locally installed program. The victim must interactively choose the Open On Browser option. Fixed in version 5.0.20204."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://www.telerik.com/support/whats-new/release-history", "refsource": "MISC", "url": "https://www.telerik.com/support/whats-new/release-history"}, {"name": "https://www.nagenrauft-consulting.com/blog/", "refsource": "MISC", "url": "https://www.nagenrauft-consulting.com/blog/"}, {"name": "https://www.telerik.com/support/whats-new/fiddler/release-history/fiddler-v5.0.20204", "refsource": "MISC", "url": "https://www.telerik.com/support/whats-new/fiddler/release-history/fiddler-v5.0.20204"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T12:25:16.434Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.telerik.com/support/whats-new/release-history"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.nagenrauft-consulting.com/blog/"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.telerik.com/support/whats-new/fiddler/release-history/fiddler-v5.0.20204"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2020-13661", "datePublished": "2020-11-05T18:18:58.000Z", "dateReserved": "2020-05-28T00:00:00.000Z", "dateUpdated": "2024-08-04T12:25:16.434Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:telerik:fiddler:*:*:*:*:*:*:*:*", "matchCriteriaId": "6131F14D-075A-4B0D-94F0-8DD91290866F", "versionEndIncluding": "5.0.20202.18177", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Telerik Fiddler through 5.0.20202.18177 allows attackers to execute arbitrary programs via a hostname with a trailing space character, followed by --utility-and-browser --utility-cmd-prefix= and the pathname of a locally installed program. The victim must interactively choose the Open On Browser option. Fixed in version 5.0.20204."}, {"lang": "es", "value": "Telerik Fiddler versiones hasta 5.0.20202.18177, permite a atacantes ejecutar programas arbitrarios por medio de un nombre de host con un car\u00e1cter de espacio final, seguido de --utility-and-browser --utility-cmd-prefix= y el nombre de ruta de un programa instalado localmente. La v\u00edctima debe elegir interactivamente la opci\u00f3n Open On Browser. Corregido en la versi\u00f3n 5.0.20204"}], "id": "CVE-2020-13661", "lastModified": "2026-06-17T02:53:31.783", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-11-05T19:15:12.977", "references": [{"source": "cve@mitre.org", "tags": ["Not Applicable"], "url": "https://www.nagenrauft-consulting.com/blog/"}, {"source": "cve@mitre.org", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://www.telerik.com/support/whats-new/fiddler/release-history/fiddler-v5.0.20204"}, {"source": "cve@mitre.org", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://www.telerik.com/support/whats-new/release-history"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Not Applicable"], "url": "https://www.nagenrauft-consulting.com/blog/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://www.telerik.com/support/whats-new/fiddler/release-history/fiddler-v5.0.20204"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://www.telerik.com/support/whats-new/release-history"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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