{"api_version":"1","generated_at":"2026-07-23T12:50:45+00:00","cve":"CVE-2020-27795","urls":{"html":"https://cve.report/CVE-2020-27795","api":"https://cve.report/api/cve/CVE-2020-27795.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2020-27795","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-27795"},"summary":{"title":"CVE-2020-27795","description":"A segmentation fault was discovered in radare2 with adf command. In libr/core/cmd_anal.c, when command \"adf\" has no or wrong argument, anal_fcn_data (core, input + 1) --> RAnalFunction *fcn = r_anal_get_fcn_in (core->anal, core->offset, -1); returns null pointer for fcn causing segmentation fault later in ensure_fcn_range (fcn).","state":"PUBLIC","assigner":"secalert@redhat.com","published_at":"2022-08-19 23:15:00","updated_at":"2022-08-22 17:26:00"},"problem_types":["CWE-908"],"metrics":[],"references":[{"url":"https://github.com/radareorg/radare2/issues/16215","name":"https://github.com/radareorg/radare2/issues/16215","refsource":"MISC","tags":[],"title":"command \"adf\" Segmentation fault · Issue #16215 · radareorg/radare2 · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://github.com/radareorg/radare2/pull/16230","name":"https://github.com/radareorg/radare2/pull/16230","refsource":"MISC","tags":[],"title":"Fix segfault in adf  by x0urc3 · Pull Request #16230 · radareorg/radare2 · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://github.com/radareorg/radare2/commit/4d3811681a80f92a53e795f6a64c4b0fc2c8dd22","name":"https://github.com/radareorg/radare2/commit/4d3811681a80f92a53e795f6a64c4b0fc2c8dd22","refsource":"MISC","tags":[],"title":"Fix segfault in adf  (#16230) · radareorg/radare2@4d38116 · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-27795","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-27795","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2020","cve_id":"27795","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"radare","cpe5":"radare2","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2020-27795","qid":"503246","title":"Alpine Linux Security Update for radare2"},{"cve":"CVE-2020-27795","qid":"506219","title":"Alpine Linux Security Update for radare2"}]},"source_records":{"cve_program":{"data_version":"4.0","data_type":"CVE","data_format":"MITRE","CVE_data_meta":{"ID":"CVE-2020-27795","ASSIGNER":"secalert@redhat.com","STATE":"PUBLIC"},"description":{"description_data":[{"lang":"eng","value":"A segmentation fault was discovered in radare2 with adf command. In libr/core/cmd_anal.c, when command \"adf\" has no or wrong argument, anal_fcn_data (core, input + 1) --> RAnalFunction *fcn = r_anal_get_fcn_in (core->anal, core->offset, -1); returns null pointer for fcn causing segmentation fault later in ensure_fcn_range (fcn)."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-908 - Use of Uninitialized Resource","cweId":"CWE-908"}]}]},"affects":{"vendor":{"vendor_data":[{"vendor_name":"n/a","product":{"product_data":[{"product_name":"radare2","version":{"version_data":[{"version_affected":"=","version_value":"Fixed in v4.4.0."}]}}]}}]}},"references":{"reference_data":[{"url":"https://github.com/radareorg/radare2/issues/16215","refsource":"MISC","name":"https://github.com/radareorg/radare2/issues/16215"},{"url":"https://github.com/radareorg/radare2/pull/16230","refsource":"MISC","name":"https://github.com/radareorg/radare2/pull/16230"},{"url":"https://github.com/radareorg/radare2/commit/4d3811681a80f92a53e795f6a64c4b0fc2c8dd22","refsource":"MISC","name":"https://github.com/radareorg/radare2/commit/4d3811681a80f92a53e795f6a64c4b0fc2c8dd22"}]}},"nvd":{"publishedDate":"2022-08-19 23:15:00","lastModifiedDate":"2022-08-22 17:26:00","problem_types":["CWE-908"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:radare:radare2:*:*:*:*:*:*:*:*","versionEndExcluding":"4.4.0","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2020","CveId":"27795","Ordinal":"189531","Title":"CVE-2020-27795","CVE":"CVE-2020-27795","Year":"2020"},"notes":[{"CveYear":"2020","CveId":"27795","Ordinal":"1","NoteData":"** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided.","Type":"Description","Title":null}]}}}