{"id":"CVE-2020-5326","published":"2020-02-21T14:50:14Z","modified":"2024-09-17T01:56:45Z","title":"Affected Dell Client platforms contain a BIOS Setup configuration authentication bypass vulnerability in the pre-boot…","vendor":"Dell","product":"Dell Client Consumer and Commercial Platforms","tier":"core","eol":null,"affectedVersions":[{"vendor":"Dell","product":"Dell Client Consumer and Commercial Platforms","versions":["https://www.dell.com/support/article/SLN320337"]}],"description":{"text":"Affected Dell Client platforms contain a BIOS Setup configuration authentication bypass vulnerability in the pre-boot Intel Rapid Storage Response Technology (iRST) Manager menu. An attacker with physical access to the system could perform unauthorized changes to the BIOS Setup configuration settings without requiring the BIOS Admin password by selecting the Optimized Defaults option in the pre-boot iRST Manager.","provenance":"source","from":"CVE.org"},"summary":null,"cvss":{"score":6.1,"severity":"MEDIUM","version":"3.1","vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:H","provenance":"source","from":"CVE.org CNA"},"epss":{"score":0.00349,"percentile":0.28539,"date":"2026-10-29","provenance":"source"},"kev":null,"vulncheckKev":null,"exploited":false,"otx":{"pulseCount":0,"pulses":[],"provenance":"machine"},"cwes":[{"id":"CWE-306","name":"Missing Authentication for Critical Functionality"}],"references":[{"url":"https://www.dell.com/support/article/SLN320337","tags":["x_refsource_MISC"]}],"techniques":[{"id":"T1068","name":"Exploitation for Privilege Escalation","tactics":["privilege-escalation"],"provenance":"source","basis":"ctid-cve","bases":["ctid-cve"],"basisDetail":"CTID attack_to_cve (Phase 2)","mappingType":"primary_impact","evidence":[],"confidence":"high"},{"id":"T1542.001","name":"System Firmware","tactics":["persistence","stealth"],"provenance":"source","basis":"ctid-cve","bases":["ctid-cve"],"basisDetail":"CTID attack_to_cve (Phase 2)","mappingType":"secondary_impact","evidence":[],"confidence":"high"}],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2020-26508","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2020-26508","exploited":false,"exploitedSince":null,"provenance":"source"},"exploits":[],"exploitSources":null,"exploitRefs":[],"flow":[{"stage":"primary","techniques":["T1068"],"provenance":"source"},{"stage":"secondary","techniques":["T1542.001"],"provenance":"source"}],"timeline":[{"date":"2020-02-21","kind":"published","label":"Published (CVE.org)","url":"https://www.cve.org/CVERecord?id=CVE-2020-5326","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":null,"daysToKev":null},"priority":{"score":10.0,"factors":[{"name":"In a KEV catalog","points":0.0,"detail":"not listed"},{"name":"Recent KEV listing","points":0.0,"detail":"not listed"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":5.71,"detail":"percentile 0.2854"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":0.0,"detail":"none found"},{"name":"Mentioned in OTX pulses","points":0.0,"detail":"0 pulses"},{"name":"CVSS severity","points":4.27,"detail":"base score 6.1"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}