Auth bypass in Dell Chengming 3980
CVE-2020-5326
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.
Vulnerability class: Broken Authentication
EPSS: 0.003 (27.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:H.
Affected products
- Dell Chengming_3980
- Dell Chengming_3980_firmware
- Dell Client Consumer And Commercial Platforms — versions https://www.dell.com/support/article/SLN320337
- Dell Embedded_box_pc_5000
- Dell Embedded_box_pc_5000_firmware
- Dell G3_3579
- Dell G3_3579_firmware
- Dell G3_3590
- Dell G3_3590_firmware
- Dell G3_3779
Weakness classification (CWE)
References
- security_alert@emc.com (x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-5326?
- CVE-2020-5326 is a medium-severity vulnerability in Dell Chengming 3980, classified under Missing Authentication for Critical Function. CVSS score: 6.1/10. Published 2020-02-21.
- How severe is CVE-2020-5326?
- Medium severity. CVSS v3 base score is 6.1 out of 10.