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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.003 (27.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 27th percentile — 27.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
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
- www.dell.com/support/article/SLN320337 (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.