Vulnerability Monitor

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CVE-2021-21557

Dell PowerEdge Server BIOS and select Dell Precision Rack BIOS contain an out-of-bounds array access vulnerability. A local malicious user with high privileges may potentially exploit this vulnerability, leading to a denial of service, arbitrary code execution, or information disclosure in System Management Mode.

Published

2021-06-14T19:15:08.497

Last Modified

2024-11-21T05:48:35.620

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 8.1 (HIGH)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:C/I:C/A:C

  • Access Vector: LOCAL
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: COMPLETE
  • Integrity Impact: COMPLETE
  • Availability Impact: COMPLETE
Exploitability Score

3.9

Impact Score

10.0

Weaknesses
  • Type: Secondary
    CWE-20
  • Type: Primary
    CWE-125
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System dell poweredge_r640_firmware < 2.11.2 Yes
Hardware dell poweredge_r640 - No
Operating System dell poweredge_r740_firmware < 2.11.2 Yes
Hardware dell poweredge_r740 - No
Operating System dell poweredge_r740xd_firmware < 2.11.2 Yes
Hardware dell poweredge_r740xd - No
Operating System dell poweredge_r940_firmware < 2.11.2 Yes
Hardware dell poweredge_r940 - No
Operating System dell poweredge_r540_firmware < 2.11.2 Yes
Hardware dell poweredge_r540 - No
Operating System dell poweredge_r440_firmware < 2.11.2 Yes
Hardware dell poweredge_r440 - No
Operating System dell poweredge_t440_firmware < 2.11.2 Yes
Hardware dell poweredge_t440 - No
Operating System dell poweredge_xr2_firmware < 2.11.2 Yes
Hardware dell poweredge_xr2 - No
Operating System dell poweredge_r740xd2_firmware < 2.11.2 Yes
Hardware dell poweredge_r740xd2 - No
Operating System dell poweredge_r840_firmware < 2.11.2 Yes
Hardware dell poweredge_r840 - No
Operating System dell poweredge_r940xa_firmware < 2.11.2 Yes
Hardware dell poweredge_r940xa - No
Operating System dell poweredge_t640_firmware < 2.11.2 Yes
Hardware dell poweredge_t640 - No
Operating System dell poweredge_c6420_firmware < 2.11.2 Yes
Hardware dell poweredge_c6420 - No
Operating System dell poweredge_fc640_firmware < 2.11.2 Yes
Hardware dell poweredge_fc640 - No
Operating System dell poweredge_m640_firmware < 2.11.2 Yes
Hardware dell poweredge_m640 - No
Operating System dell poweredge_m640p_firmware < 2.11.2 Yes
Hardware dell poweredge_m640p - No
Operating System dell poweredge_mx740c_firmware < 2.11.2 Yes
Hardware dell poweredge_mx740c - No
Operating System dell poweredge_mx840c_firmware < 2.11.2 Yes
Hardware dell poweredge_mx840c - No
Operating System dell poweredge_c4140_firmware < 2.11.2 Yes
Hardware dell poweredge_c4140 - No
Operating System dell poweredge_t140_firmware < 2.5.1 Yes
Hardware dell poweredge_t140 - No
Operating System dell poweredge_t340_firmware < 2.5.1 Yes
Hardware dell poweredge_t340 - No
Operating System dell poweredge_r240_firmware < 2.5.1 Yes
Hardware dell poweredge_r240 - No
Operating System dell poweredge_r340_firmware < 2.5.1 Yes
Hardware dell poweredge_r340 - No
Operating System dell poweredge_r6415_firmware < 1.16.1 Yes
Hardware dell poweredge_r6415 - No
Operating System dell poweredge_r7415_firmware < 1.16.1 Yes
Hardware dell poweredge_r7415 - No
Operating System dell poweredge_r7425_firmware < 1.16.1 Yes
Hardware dell poweredge_r7425 - No
Operating System dell poweredge_r6515_firmware < 2.2.4 Yes
Hardware dell poweredge_r6515 - No
Operating System dell poweredge_r7515_firmware < 2.2.4 Yes
Hardware dell poweredge_r7515 - No
Operating System dell poweredge_r6525_firmware < 2.2.5 Yes
Hardware dell poweredge_r6525 - No
Operating System dell poweredge_r7525_firmware < 2.2.5 Yes
Hardware dell poweredge_r7525 - No
Operating System dell poweredge_c6525_firmware < 2.2.4 Yes
Hardware dell poweredge_c6525 - No
References