{"id":"CVE-2020-13661","state":"PUBLISHED","title":"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-c","description":"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.","publishedAt":"2020-11-05T18:18:58.000Z","updatedAt":"2024-08-04T12:25:16.434Z","severity":null,"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://www.telerik.com/support/whats-new/release-history","https://www.nagenrauft-consulting.com/blog/","https://www.telerik.com/support/whats-new/fiddler/release-history/fiddler-v5.0.20204"],"weaknesses":[],"ingestedAt":"2026-10-29T19:46:30.825Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2020/13xxx/CVE-2020-13661.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2020-13661","state":"PUBLISHED","datePublished":"2020-11-05T18:18:58.000Z","dateUpdated":"2024-08-04T12:25:16.434Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2020-05-28T00:00:00.000Z"},"containers":{"cna":{"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."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"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","tags":["x_refsource_MISC"]}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"mitre","dateUpdated":"2020-11-05T18:18:58.000Z","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca"},"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":[{"title":"CVE Program Container","references":[{"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","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T12:25:16.434Z"}}]}}}