How severe is CVE-2021-36284?

CVE-2021-36284 has a CVSS 3.x base score of 5.7, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2021-36284 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-36284?

CVE-2021-36284 primarily affects Dell Latitude 5310 2-in-1 Firmware. In total, 21 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-36284?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-36284 published?

CVE-2021-36284 was published on 2021-09-28 and last updated on 2026-06-17.

CVE-2021-36284

CVE-2021-36284 is a medium-severity vulnerability in Dell Latitude 5310 2-in-1 Firmware with a CVSS 3.x base score of 5.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-307.

Key facts

Severity: Medium (CVSS 3.x base score 5.7)
CVSS v2: 2.1
EPSS exploit prediction: 0% (13th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-307
Affected product: Dell Latitude 5310 2-in-1 Firmware
Published: 2021-09-28
Last modified: 2026-06-17

Description

Dell BIOS contains an Improper Restriction of Excessive Authentication Attempts vulnerability. A local authenticated malicious administrator could exploit this vulnerability to bypass excessive admin password attempt mitigations in order to carry out a brute force attack.

Frequently asked questions

What is CVE-2021-36284?: Dell BIOS contains an Improper Restriction of Excessive Authentication Attempts vulnerability. A local authenticated malicious administrator could exploit this vulnerability to bypass excessive admin password attempt mitigations in order to carry out a brute force attack.
How severe is CVE-2021-36284?: CVE-2021-36284 has a CVSS 3.x base score of 5.7, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2021-36284 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-36284?: CVE-2021-36284 primarily affects Dell Latitude 5310 2-in-1 Firmware. In total, 21 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-36284?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-36284 published?: CVE-2021-36284 was published on 2021-09-28 and last updated on 2026-06-17.

References

https://www.dell.com/support/kbdoc/000191495

Affected products (21)

cpe:2.3:o:dell:latitude_5310_2-in-1_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:latitude_5320_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:latitude_5400_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:latitude_5411_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:latitude_5500_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:latitude_5520_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:latitude_5511_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:latitude_7212_rugged_extreme_tablet_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:latitude_7280_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:latitude_7320_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:latitude_7370_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:latitude_7420_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:latitude_7480_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:latitude_9410_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:latitude_9510_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:latitude_9520_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:optiplex_3080_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:optiplex_3280_aio_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:optiplex_7480_aio_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:precision_3551_ffirmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:precision_3640_tower_firmware:*:*:*:*:*:*:*:*

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