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CVE-2020-5326

19
FAUCET Score

CVE-2020-5326 is a BIOS configuration authentication bypass vulnerability affecting Dell Client platforms. An attacker with physical access can bypass the BIOS Admin password in the pre-boot Intel Rapid Storage Technology (iRST) Manager menu by selecting "Optimized Defaults," allowing unauthorized changes to BIOS settings. This vulnerability has a CVSS score of 5.3 (Medium) due to requiring physical access but enabling high integrity impact without authentication. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.13.0CPE matchmatch criteria
cpe:2.3:o:dell:chengming_3980_firmware:*:*:*:*:*:*:*:*
< 1.10.0CPE matchmatch criteria
cpe:2.3:o:dell:g3_3579_firmware:*:*:*:*:*:*:*:*
< 1.4.3CPE matchmatch criteria
cpe:2.3:o:dell:g3_3590_firmware:*:*:*:*:*:*:*:*
< 1.10.0CPE matchmatch criteria
cpe:2.3:o:dell:g3_3779_firmware:*:*:*:*:*:*:*:*
< 1.11.1CPE matchmatch criteria
cpe:2.3:o:dell:g5_5587_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.1MEDIUM

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:H

Attack Vector
PHYSICAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
0.9
Impact Score
4.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.35%
Probability of exploitation in next 30 days
EPSS Percentile
27.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0035 is in the 58th percentile among its peer group of 1,531 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

dell.com / support/article/SLN320337
Vendor Advisory