{"api_version":"1","generated_at":"2026-04-25T21:04:15+00:00","cve":"CVE-2021-31506","urls":{"html":"https://cve.report/CVE-2021-31506","api":"https://cve.report/api/cve/CVE-2021-31506.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2021-31506","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-31506"},"summary":{"title":"CVE-2021-31506","description":"This vulnerability allows remote attackers to disclose sensitive information on affected installations of OpenText Brava! Desktop Build 16.6.4.55. 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 PDF files. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated data structure. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-13674.","state":"PUBLIC","assigner":"zdi-disclosures@trendmicro.com","published_at":"2021-06-29 15:15:00","updated_at":"2023-12-01 14:22:00"},"problem_types":["CWE-125"],"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-21-647/","name":"https://www.zerodayinitiative.com/advisories/ZDI-21-647/","refsource":"MISC","tags":[],"title":"ZDI-21-647 | 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-2021-31506","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-31506","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2021","cve_id":"31506","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"opentext","cpe5":"brava\\!","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"31506","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"opentext","cpe5":"brava\\!_desktop","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"31506","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"opentext","cpe5":"brava\\!_desktop","cpe6":"16.6.4.55","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-2021-31506","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Brava! Desktop","version":{"version_data":[{"version_value":"Build 16.6.4.55"}]}}]},"vendor_name":"OpenText"}]}},"credit":"Michael DePlante (@izobashi) of Trend Micro's Zero Day Initiative","data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"This vulnerability allows remote attackers to disclose sensitive information on affected installations of OpenText Brava! Desktop Build 16.6.4.55. 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 PDF files. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated data structure. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-13674."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-125: Out-of-bounds Read"}]}]},"references":{"reference_data":[{"url":"https://www.zerodayinitiative.com/advisories/ZDI-21-647/","refsource":"MISC","name":"https://www.zerodayinitiative.com/advisories/ZDI-21-647/"}]},"impact":{"cvss":{"vectorString":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","version":"3.0"}}},"nvd":{"publishedDate":"2021-06-29 15:15:00","lastModifiedDate":"2023-12-01 14:22:00","problem_types":["CWE-125"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":3.3,"baseSeverity":"LOW"},"exploitabilityScore":1.8,"impactScore":1.4},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:P/I:N/A:N","accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":4.3},"severity":"MEDIUM","exploitabilityScore":8.6,"impactScore":2.9,"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:*:*:*:*:*:*:*:*","versionEndExcluding":"16.6.4.92","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2021","CveId":"31506","Ordinal":"206796","Title":"CVE-2021-31506","CVE":"CVE-2021-31506","Year":"2021"},"notes":[{"CveYear":"2021","CveId":"31506","Ordinal":"1","NoteData":"This vulnerability allows remote attackers to disclose sensitive information on affected installations of OpenText Brava! Desktop Build 16.6.4.55. 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 PDF files. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated data structure. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-13674.","Type":"Description","Title":null},{"CveYear":"2021","CveId":"31506","Ordinal":"2","NoteData":"2021-06-29","Type":"Other","Title":"Published"},{"CveYear":"2021","CveId":"31506","Ordinal":"3","NoteData":"2021-06-29","Type":"Other","Title":"Modified"}]}}}