Vulnerability Report

CVE-2021-36284

Title: Excessive Authentication Attempts Bypass in Dell BIOS

Authentication Bypass

Proof Of Concept

No public PoC currently indexed for CVE-2021-36284.

CWE Category CWE-307
Published Date Sep 28, 2021
Modified Date Nov 21, 2024
Exploit Status Not Found
Score 5.7 CVSS v3.1
Exploit Probability (EPSS)
0.23%

Vulnerability Summary

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.

Impacted Vendors

D
dell 21

Reference Links

https://www.dell.com/support/kbdoc/000191495 https://www.dell.com/support/kbdoc/000191495
CVSS v3.1
Source Entity [email protected]
Severity MEDIUM
5.7
Attack Vector
LOCAL
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
CHANGED
RAW VECTOR CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L
CVSS v3.1
Source Entity [email protected]
Severity MEDIUM
4.4
Attack Vector
LOCAL
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
CVSS v2.0
Source Entity [email protected]
Severity LOW
2.1
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:L/AC:L/Au:N/C:P/I:N/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2021-36284 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector LOCAL
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L

Affected Stack

No specific products linked.