Dell BIOS contains an Improper Input Validation vulnerability. A local malicious user with high privileges could potentially exploit this vulnerability in order to corrupt memory on the system.
Conclusion & alert: CVE-2023-39251 is rated Low Risk (29.1/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.17%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.03% | 0.17% | +0.13% |
| 2 | 2025-11-21 | 0.05% | 0.03% | -0.02% |
| 3 | 2025-11-18 | — | 0.05% | — |
Full EPSS history (6 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.7 | 3.1 | MEDIUM |
|
1.5 | 4.7 | [email protected] |
| 6.7 | 3.1 | MEDIUM |
|
0.8 | 5.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| dell | inspiron_7510_firmware | < 1.20.0 | cpe:2.3:o:dell:inspiron_7510_firmware:*:*:*:*:*:*:*:* |
| dell | inspiron_7610_firmware | < 1.20.0 | cpe:2.3:o:dell:inspiron_7610_firmware:*:*:*:*:*:*:*:* |
| dell | latitude_5430_rugged_firmware | < 1.23.0 | cpe:2.3:o:dell:latitude_5430_rugged_firmware:*:*:*:*:*:*:*:* |
| dell | latitude_5521_firmware | < 1.27.0 | cpe:2.3:o:dell:latitude_5521_firmware:*:*:*:*:*:*:*:* |
| dell | latitude_7330_rugged_firmware | < 1.23.0 | cpe:2.3:o:dell:latitude_7330_rugged_firmware:*:*:*:*:*:*:*:* |
| dell | precision_3561_firmware | < 1.27.0 | cpe:2.3:o:dell:precision_3561_firmware:*:*:*:*:*:*:*:* |
| dell | precision_5560_firmware | < 1.25.0 | cpe:2.3:o:dell:precision_5560_firmware:*:*:*:*:*:*:*:* |
| dell | precision_5760_firmware | < 1.24.0 | cpe:2.3:o:dell:precision_5760_firmware:*:*:*:*:*:*:*:* |
| dell | precision_7560_firmware | < 1.27.0 | cpe:2.3:o:dell:precision_7560_firmware:*:*:*:*:*:*:*:* |
| dell | precision_7760_firmware | < 1.27.0 | cpe:2.3:o:dell:precision_7760_firmware:*:*:*:*:*:*:*:* |
| dell | vostro_7510_firmware | < 1.20.0 | cpe:2.3:o:dell:vostro_7510_firmware:*:*:*:*:*:*:*:* |
| dell | xps_15_9510_firmware | < 1.25.0 | cpe:2.3:o:dell:xps_15_9510_firmware:*:*:*:*:*:*:*:* |
| dell | xps_17_9710_firmware | < 1.24.0 | cpe:2.3:o:dell:xps_17_9710_firmware:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://www.dell.com/support/kbdoc/en-us/000217707/dsa-2023-342 | Vendor Advisory |