{"api_version":"1","generated_at":"2026-04-26T00:36:16+00:00","cve":"CVE-2021-31507","urls":{"html":"https://cve.report/CVE-2021-31507","api":"https://cve.report/api/cve/CVE-2021-31507.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2021-31507","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-31507"},"summary":{"title":"CVE-2021-31507","description":"This vulnerability allows remote attackers to execute arbitrary code on affected installations of OpenText Brava! Desktop 16.6.3.84. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of CGM files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-12653.","state":"PUBLIC","assigner":"zdi-disclosures@trendmicro.com","published_at":"2021-06-29 15:15:00","updated_at":"2023-10-03 13:14:00"},"problem_types":["CWE-121"],"metrics":[],"references":[{"url":"https://www.opentext.com/products/brava","name":"https://www.opentext.com/products/brava","refsource":"MISC","tags":["Product"],"title":"OpenText Brava!","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-21-685/","name":"https://www.zerodayinitiative.com/advisories/ZDI-21-685/","refsource":"MISC","tags":[],"title":"ZDI-21-685 | Zero Day Initiative","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cvedetails.com/vulnerability-list/vendor_id-2032/product_id-96672/Opentext-Brava-Desktop.html?page=1&opec=1&order=1&trc=35&sha=37f4ed0596f8ccacca7d571f22a38c97b0f19f4c","name":"https://www.cvedetails.com/vulnerability-list/vendor_id-2032/product_id-96672/Opentext-Brava-Desktop.html?page=1&amp;opec=1&amp;order=1&amp;trc=35&amp;sha=37f4ed0596f8ccacca7d571f22a38c97b0f19f4c","refsource":"MISC","tags":["Third Party Advisory"],"title":"Opentext Brava! Desktop : Security vulnerabilities, CVEs  Code Execution","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-31507","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-31507","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2021","cve_id":"31507","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"opentext","cpe5":"brava\\!_desktop","cpe6":"16.6.3.84","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"zdi-disclosures@trendmicro.com","ID":"CVE-2021-31507","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Brava! Desktop","version":{"version_data":[{"version_value":"16.6.3.84"}]}}]},"vendor_name":"OpenText"}]}},"credit":"rgod","data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"This vulnerability allows remote attackers to execute arbitrary code on affected installations of OpenText Brava! Desktop 16.6.3.84. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of CGM files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-12653."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-121: Stack-based Buffer Overflow"}]}]},"references":{"reference_data":[{"url":"https://www.zerodayinitiative.com/advisories/ZDI-21-685/","refsource":"MISC","name":"https://www.zerodayinitiative.com/advisories/ZDI-21-685/"}]},"impact":{"cvss":{"vectorString":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.0"}}},"nvd":{"publishedDate":"2021-06-29 15:15:00","lastModifiedDate":"2023-10-03 13:14:00","problem_types":["CWE-121"],"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:opentext:brava\\!_desktop:16.6.3.84:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2021","CveId":"31507","Ordinal":"206797","Title":"CVE-2021-31507","CVE":"CVE-2021-31507","Year":"2021"},"notes":[{"CveYear":"2021","CveId":"31507","Ordinal":"1","NoteData":"This vulnerability allows remote attackers to execute arbitrary code on affected installations of OpenText Brava! Desktop 16.6.3.84. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of CGM files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-12653.","Type":"Description","Title":null},{"CveYear":"2021","CveId":"31507","Ordinal":"2","NoteData":"2021-06-29","Type":"Other","Title":"Published"},{"CveYear":"2021","CveId":"31507","Ordinal":"3","NoteData":"2021-06-29","Type":"Other","Title":"Modified"}]}}}