CVE-2020-5376

CVSS V2 High 7.2 CVSS V3 Medium 6.8
Description
Dell Inspiron 7347 BIOS versions prior to A13 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).
Overview
  • CVE ID
  • CVE-2020-5376
  • Assigner
  • security_alert@emc.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-09-02T21:15:12
  • Last Modified Date
  • 2020-09-14T15:11:19
Weakness Enumerations
CWE URL
CWE-416 http://cwe.mitre.org/data/definitions/416.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:dell:inspiron_7347_bios:*:*:*:*:*:*:*:* 1 OR a13
cpe:2.3:h:dell:inspiron_7347:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:C/I:C/A:C
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • COMPLETE
  • Integrity Impact
  • COMPLETE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 7.2
  • Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 10
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • PHYSICAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 6.8
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 0.9
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://www.dell.com/support/article/SLN322616 Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-5376
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-5376
History
Created Old Value New Value Data Type Notes
2022-05-10 16:24:27 Added to TrackCVE
2022-12-04 21:57:44 secure@dell.com security_alert@emc.com CVE Assigner updated
2022-12-04 21:57:44 2020-09-02T21:15Z 2020-09-02T21:15:12 CVE Published Date updated
2022-12-04 21:57:44 2020-09-14T15:11:19 CVE Modified Date updated
2022-12-04 21:57:44 Analyzed Vulnerability Status updated