{"api_version":"1","generated_at":"2026-07-23T19:13:49+00:00","cve":"CVE-2021-22539","urls":{"html":"https://cve.report/CVE-2021-22539","api":"https://cve.report/api/cve/CVE-2021-22539.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2021-22539","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-22539"},"summary":{"title":"CVE-2021-22539","description":"An attacker can place a crafted JSON config file into the project folder pointing to a custom executable. VScode-bazel allows the workspace path to lint *.bzl files to be set via this config file. As such the attacker is able to execute any executable on the system through vscode-bazel. We recommend upgrading to version 0.4.1 or above.","state":"PUBLIC","assigner":"security@google.com","published_at":"2021-04-16 11:15:00","updated_at":"2022-10-25 16:36:00"},"problem_types":["CWE-668"],"metrics":[],"references":[{"url":"https://github.com/bazelbuild/vscode-bazel/security/advisories/GHSA-2rcw-j8x4-hgcv","name":"https://github.com/bazelbuild/vscode-bazel/security/advisories/GHSA-2rcw-j8x4-hgcv","refsource":"MISC","tags":[],"title":"Malicious project can cause vscode-bazel to run arbitrary executable when linting a *.bzl file · Advisory · bazelbuild/vscode-bazel · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://github.com/bazelbuild/vscode-bazel-ghsa-2rcw-j8x4-hgcv/pull/1","name":"https://github.com/bazelbuild/vscode-bazel-ghsa-2rcw-j8x4-hgcv/pull/1","refsource":"MISC","tags":[],"title":"","mime":"text/plain","httpstatus":"404","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-22539","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-22539","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[{"source":"LEGACY","value":"RyotaK","lang":""}],"nvd_cpes":[{"cve_year":"2021","cve_id":"22539","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"google","cpe5":"bazel","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"visual_studio","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"security@google.com","DATE_PUBLIC":"2021-04-15T22:00:00.000Z","ID":"CVE-2021-22539","STATE":"PUBLIC","TITLE":"Code execution in VSCode-bazel via malicious Bazel config files"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"VSCode-Bazel","version":{"version_data":[{"version_affected":"<=","version_value":"0.4.0"}]}}]},"vendor_name":"Google LLC"}]}},"credit":[{"lang":"eng","value":"RyotaK"}],"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"An attacker can place a crafted JSON config file into the project folder pointing to a custom executable. VScode-bazel allows the workspace path to lint *.bzl files to be set via this config file. As such the attacker is able to execute any executable on the system through vscode-bazel. We recommend upgrading to version 0.4.1 or above."}]},"generator":{"engine":"Vulnogram 0.0.9"},"impact":{"cvss":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":8.2,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-73 External Control of File Name or Path"}]}]},"references":{"reference_data":[{"refsource":"MISC","url":"https://github.com/bazelbuild/vscode-bazel/security/advisories/GHSA-2rcw-j8x4-hgcv","name":"https://github.com/bazelbuild/vscode-bazel/security/advisories/GHSA-2rcw-j8x4-hgcv"},{"refsource":"MISC","url":"https://github.com/bazelbuild/vscode-bazel-ghsa-2rcw-j8x4-hgcv/pull/1","name":"https://github.com/bazelbuild/vscode-bazel-ghsa-2rcw-j8x4-hgcv/pull/1"}]},"solution":[{"lang":"eng","value":"Upgrade vscode-bazel to version 0.4.1 or above"}],"source":{"discovery":"EXTERNAL"}},"nvd":{"publishedDate":"2021-04-16 11:15:00","lastModifiedDate":"2022-10-25 16:36:00","problem_types":["CWE-668"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:P/I:P/A:P","accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL","baseScore":6.8},"severity":"MEDIUM","exploitabilityScore":8.6,"impactScore":6.4,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":true}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:google:bazel:*:*:*:*:*:visual_studio:*:*","versionStartIncluding":"0.1.0","versionEndExcluding":"0.4.1","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2021","CveId":"22539","Ordinal":"197244","Title":"CVE-2021-22539","CVE":"CVE-2021-22539","Year":"2021"},"notes":[{"CveYear":"2021","CveId":"22539","Ordinal":"1","NoteData":"An attacker can place a crafted JSON config file into the project folder pointing to a custom executable. VScode-bazel allows the workspace path to lint *.bzl files to be set via this config file. As such the attacker is able to execute any executable on the system through vscode-bazel. We recommend upgrading to version 0.4.1 or above.","Type":"Description","Title":null},{"CveYear":"2021","CveId":"22539","Ordinal":"2","NoteData":"2021-04-16","Type":"Other","Title":"Published"},{"CveYear":"2021","CveId":"22539","Ordinal":"3","NoteData":"2021-04-16","Type":"Other","Title":"Modified"}]}}}