{"id":"CVE-2020-5378","published":"2020-09-02T20:55:18Z","modified":"2024-09-17T01:51:46Z","title":"Dell G7 17 7790 BIOS versions prior to 1.13.2 contain a UEFI BIOS Boot Services overwrite vulnerability","vendor":"Dell","product":"CPG BIOS","tier":"core","eol":null,"affectedVersions":[{"vendor":"Dell","product":"CPG BIOS","versions":[">= unspecified, < 1.13.0"]}],"description":{"text":"Dell G7 17 7790 BIOS versions prior to 1.13.2 contain a UEFI BIOS Boot Services overwrite vulnerability. A local attacker with access to system memory may exploit this vulnerability by overwriting the EFI_BOOT_SERVICES structure to execute arbitrary code in System Management Mode (SMM).","provenance":"source","from":"CVE.org"},"summary":null,"cvss":{"score":6.8,"severity":"MEDIUM","version":"3.1","vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","provenance":"source","from":"CVE.org CNA"},"epss":{"score":0.0039,"percentile":0.33086,"date":"2026-10-29","provenance":"source"},"kev":null,"vulncheckKev":null,"exploited":false,"otx":{"pulseCount":0,"pulses":[],"provenance":"machine"},"cwes":[{"id":"CWE-416","name":"Use After Free"}],"references":[{"url":"https://www.dell.com/support/article/SLN322616","tags":["x_refsource_MISC"]}],"techniques":[{"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":"primary_impact","evidence":[],"confidence":"high"}],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2020-26560","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2020-26560","exploited":false,"exploitedSince":null,"provenance":"source"},"exploits":[],"exploitSources":null,"exploitRefs":[],"flow":[{"stage":"primary","techniques":["T1542.001"],"provenance":"source"}],"timeline":[{"date":"2020-09-02","kind":"published","label":"Published (CVE.org)","url":"https://www.cve.org/CVERecord?id=CVE-2020-5378","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":null,"daysToKev":null},"priority":{"score":11.4,"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":6.62,"detail":"percentile 0.3309"},{"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":4.76,"detail":"base score 6.8"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}