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Fencer Vulns
low 3.9

CVE-2022-34376 json

Dell PowerEdge BIOS and Dell Precision BIOS contain an improper input validation vulnerability.

published 2023-02-10 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-37331

cvss
3.9
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.1%
EPSS 0.1% chance of exploitation in 30 days, percentile 3%
public exploits
0
none known

Summary

Dell PowerEdge BIOS and Dell Precision BIOS contain an improper input validation vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by manipulating an SMI to cause a denial of service during SMM.

Patch / fix

  • dell r6515_firmware 2.9.3
  • dell r7515_firmware 2.9.3
  • dell r6525_firmware 2.9.3
  • dell r7525_firmware 2.9.3
  • dell xe8545_firmware 2.9.4
  • dell r6415_firmware 1.19.0
  • dell r7415_firmware 1.19.0
  • dell r7425_firmware 1.19.0
  • dell r750_firmware 1.8.2
  • dell r750xa_firmware 1.8.2
  • dell r650_firmware 1.8.2
  • dell c6520_firmware 1.8.2
  • dell mx750c_firmware 1.8.2
  • dell r450_firmware 1.8.2
  • dell r550_firmware 1.8.2
  • dell r650xs_firmware 1.8.2
  • dell r750xs_firmware 1.8.2
  • dell t550_firmware 1.8.2
  • dell xr11_firmware 1.8.2
  • dell xr12_firmware 1.8.2

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
19 mo ago

Exploit prediction

0.14% chance of exploitation in the next 30 days, higher than 3% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 3.9 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:L
NVD 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products

  • Dell PowerEdge Platform

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.