{"id":"CVE-2020-15163","state":"PUBLISHED","title":"Invalid root may become trusted root in The Update Framework (TUF)","description":"Python TUF (The Update Framework) reference implementation before version 0.12 it will incorrectly trust a previously downloaded root metadata file which failed verification at download time. This allows an attacker who is able to serve multiple new versions of root metadata (i.e. by a person-in-the-middle attack) culminating in a version which has not been correctly signed to control the trust chain for future updates. This is fixed in version 0.12 and newer.","publishedAt":"2020-09-09T17:30:19.000Z","updatedAt":"2024-08-04T13:08:22.456Z","severity":{"score":8.7,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["theupdateframework tuf"],"affected":[{"vendor":"theupdateframework","product":"tuf","versions":[{"version":"< 0.12","status":"affected"}]}],"references":["https://github.com/theupdateframework/tuf/security/advisories/GHSA-f8mr-jv2c-v8mg","https://github.com/theupdateframework/tuf/pull/885","https://github.com/theupdateframework/tuf/releases/tag/v0.12.0","https://pypi.org/project/tuf","https://github.com/theupdateframework/tuf/commit/3d342e648fbacdf43a13d7ba8886aaaf07334af7"],"weaknesses":["CWE-863"],"ingestedAt":"2026-10-29T19:46:36.523Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2020/15xxx/CVE-2020-15163.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2020-15163","state":"PUBLISHED","datePublished":"2020-09-09T17:30:19.000Z","dateUpdated":"2024-08-04T13:08:22.456Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2020-06-25T00:00:00.000Z"},"containers":{"cna":{"title":"Invalid root may become trusted root in The Update Framework (TUF)","descriptions":[{"lang":"en","value":"Python TUF (The Update Framework) reference implementation before version 0.12 it will incorrectly trust a previously downloaded root metadata file which failed verification at download time. This allows an attacker who is able to serve multiple new versions of root metadata (i.e. by a person-in-the-middle attack) culminating in a version which has not been correctly signed to control the trust chain for future updates. This is fixed in version 0.12 and newer."}],"affected":[{"vendor":"theupdateframework","product":"tuf","versions":[{"version":"< 0.12","status":"affected"}]}],"references":[{"url":"https://github.com/theupdateframework/tuf/security/advisories/GHSA-f8mr-jv2c-v8mg","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/theupdateframework/tuf/pull/885","tags":["x_refsource_MISC"]},{"url":"https://github.com/theupdateframework/tuf/releases/tag/v0.12.0","tags":["x_refsource_MISC"]},{"url":"https://pypi.org/project/tuf","tags":["x_refsource_MISC"]},{"url":"https://github.com/theupdateframework/tuf/commit/3d342e648fbacdf43a13d7ba8886aaaf07334af7","tags":["x_refsource_CONFIRM"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.7,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-863","description":"CWE-863: Incorrect Authorization","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","dateUpdated":"2020-09-09T17:30:19.000Z","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa"},"source":{"advisory":"GHSA-f8mr-jv2c-v8mg","discovery":"UNKNOWN"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"security-advisories@github.com","ID":"CVE-2020-15163","STATE":"PUBLIC","TITLE":"Invalid root may become trusted root in The Update Framework (TUF)"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"tuf","version":{"version_data":[{"version_value":"< 0.12"}]}}]},"vendor_name":"theupdateframework"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"Python TUF (The Update Framework) reference implementation before version 0.12 it will incorrectly trust a previously downloaded root metadata file which failed verification at download time. This allows an attacker who is able to serve multiple new versions of root metadata (i.e. by a person-in-the-middle attack) culminating in a version which has not been correctly signed to control the trust chain for future updates. This is fixed in version 0.12 and newer."}]},"impact":{"cvss":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.7,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-863: Incorrect Authorization"}]}]},"references":{"reference_data":[{"name":"https://github.com/theupdateframework/tuf/security/advisories/GHSA-f8mr-jv2c-v8mg","refsource":"CONFIRM","url":"https://github.com/theupdateframework/tuf/security/advisories/GHSA-f8mr-jv2c-v8mg"},{"name":"https://github.com/theupdateframework/tuf/pull/885","refsource":"MISC","url":"https://github.com/theupdateframework/tuf/pull/885"},{"name":"https://github.com/theupdateframework/tuf/releases/tag/v0.12.0","refsource":"MISC","url":"https://github.com/theupdateframework/tuf/releases/tag/v0.12.0"},{"name":"https://pypi.org/project/tuf","refsource":"MISC","url":"https://pypi.org/project/tuf"},{"name":"https://github.com/theupdateframework/tuf/commit/3d342e648fbacdf43a13d7ba8886aaaf07334af7","refsource":"CONFIRM","url":"https://github.com/theupdateframework/tuf/commit/3d342e648fbacdf43a13d7ba8886aaaf07334af7"}]},"source":{"advisory":"GHSA-f8mr-jv2c-v8mg","discovery":"UNKNOWN"}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://github.com/theupdateframework/tuf/security/advisories/GHSA-f8mr-jv2c-v8mg","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://github.com/theupdateframework/tuf/pull/885","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://github.com/theupdateframework/tuf/releases/tag/v0.12.0","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://pypi.org/project/tuf","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://github.com/theupdateframework/tuf/commit/3d342e648fbacdf43a13d7ba8886aaaf07334af7","tags":["x_refsource_CONFIRM","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T13:08:22.456Z"}}]}}}