{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-17T22:25:16.107","vulnerabilities":[{"cve":{"id":"CVE-2021-20491","sourceIdentifier":"psirt@us.ibm.com","published":"2021-04-16T16:15:12.947","lastModified":"2024-11-21T05:46:39.833","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"IBM Spectrum Protect Server 7.1 and 8.1 is subject to a stack-based buffer overflow caused by improper bounds checking during the parsing of commands. By issuing such a command with an improper parameter, an authorized administrator could overflow a buffer and cause the server to crash. IBM X-Force ID: 197792."},{"lang":"es","value":"IBM Spectrum Protect Server versiones 7.1 y 8.1, está sujeto a un desbordamiento de búfer en la región stack de la memoria causado por una comprobación de límites inapropiada durante el análisis de los comandos. Al emitir un comando de este tipo con un parámetro inapropiado, un administrador autorizado podría desbordar un búfer y causar que el servidor se bloquee. IBM X-Force ID: 197792"}],"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:N/I:N/A:H","baseScore":4.4,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":0.8,"impactScore":3.6}],"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:N/I:N/A:H","baseScore":4.4,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":0.8,"impactScore":3.6}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:L/AC:L/Au:N/C:N/I:N/A:P","baseScore":2.1,"accessVector":"LOCAL","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"PARTIAL"},"baseSeverity":"LOW","exploitabilityScore":3.9,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-787"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:ibm:spectrum_protect:*:*:*:*:*:*:*:*","versionStartIncluding":"7.1.0.000","versionEndExcluding":"7.1.13","matchCriteriaId":"81C8CA99-86D7-4F45-BF4D-2657FF8AA7AE"},{"vulnerable":true,"criteria":"cpe:2.3:a:ibm:spectrum_protect:*:*:*:*:*:*:*:*","versionStartIncluding":"8.1.0.000","versionEndIncluding":"8.1.10.100","matchCriteriaId":"7C2A3F7C-BCC1-4A3B-9741-59885B6F2BDD"},{"vulnerable":true,"criteria":"cpe:2.3:a:ibm:spectrum_protect:8.1.11.000:*:*:*:*:*:*:*","matchCriteriaId":"64431F7E-0964-4400-B73A-F75A8E849C39"}]}]}],"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/197792","source":"psirt@us.ibm.com","tags":["VDB Entry","Vendor Advisory"]},{"url":"https://www.ibm.com/support/pages/node/6442993","source":"psirt@us.ibm.com","tags":["Patch","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/197792","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["VDB Entry","Vendor Advisory"]},{"url":"https://www.ibm.com/support/pages/node/6442993","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Vendor Advisory"]}]}}]}