{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-29T22:44:03.044","vulnerabilities":[{"cve":{"id":"CVE-2021-20515","sourceIdentifier":"psirt@us.ibm.com","published":"2021-04-30T16:15:07.587","lastModified":"2024-11-21T05:46:42.370","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"IBM Informix Dynamic Server 14.10 is vulnerable to a stack based buffer overflow, caused by improper bounds checking. A local privileged user could overflow a buffer and execute arbitrary code on the system or cause a denial of service condition. IBM X-Force ID: 198366."},{"lang":"es","value":"IBM Informix Dynamic Server versión 14.10, es vulnerable a un desbordamiento del búfer en la región stack de la memoria, causado por una comprobación de límites inapropiada.&#xa0;Un usuario privilegiado local podría desbordar un búfer y ejecutar código arbitrario en el sistema o causar una condición de denegación de servicio.&#xa0; IBM X-Force ID: 198366."}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","baseScore":6.7,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":0.8,"impactScore":5.9}],"cvssMetricV30":[{"source":"psirt@us.ibm.com","type":"Secondary","cvssData":{"version":"3.0","vectorString":"CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","baseScore":6.7,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":0.8,"impactScore":5.9}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:L/AC:L/Au:N/C:P/I:P/A:P","baseScore":4.6,"accessVector":"LOCAL","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL"},"baseSeverity":"MEDIUM","exploitabilityScore":3.9,"impactScore":6.4,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-787"}]}],"configurations":[{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:ibm:informix_dynamic_server:14.10:*:*:*:*:*:*:*","matchCriteriaId":"B33D65F4-09CB-4C6C-8D0D-D9EA513F4E07"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:o:hp:hp-ux:-:*:*:*:*:*:*:*","matchCriteriaId":"F480AA32-841A-4E68-9343-B2E7548B0A0C"},{"vulnerable":false,"criteria":"cpe:2.3:o:ibm:aix:-:*:*:*:*:*:*:*","matchCriteriaId":"E492C463-D76E-49B7-A4D4-3B499E422D89"},{"vulnerable":false,"criteria":"cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*","matchCriteriaId":"703AF700-7A70-47E2-BC3A-7FD03B3CA9C1"},{"vulnerable":false,"criteria":"cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*","matchCriteriaId":"A2572D17-1DE6-457B-99CC-64AFD54487EA"},{"vulnerable":false,"criteria":"cpe:2.3:o:oracle:solaris:-:*:*:*:*:*:-:*","matchCriteriaId":"F5027746-8216-452D-83C5-2F8E9546F2A5"}]}]}],"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/198366","source":"psirt@us.ibm.com","tags":["VDB Entry","Vendor Advisory"]},{"url":"https://www.ibm.com/support/pages/node/6448568","source":"psirt@us.ibm.com","tags":["Patch","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/198366","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["VDB Entry","Vendor Advisory"]},{"url":"https://www.ibm.com/support/pages/node/6448568","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Vendor Advisory"]}]}}]}