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CVE-2023-25537

HIGH

7.8

CVSS Score

Published: May 22, 2023 at 10:48 AM UTC

Updated: June 17, 2026 at 05:41 AM UTC

61 products affected across 1 vendorDSS8440 FirmwarePoweredge MX740C FirmwarePoweredge R640 Firmware

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Severity

HIGH7.8

Exploit prediction

EPSS 0.2%

SSVC

No known exploit

Description

Dell PowerEdge 14G server BIOS versions prior to 2.18.1 and Dell Precision BIOS versions prior to 2.18.2, contain an Out of Bounds write vulnerability. A local attacker with low privileges could potentially exploit this vulnerability leading to exposure of some SMRAM stack/data/code in System Management Mode, leading to arbitrary code execution or escalation of privilege.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

DSS8440 Firmware · Dell

95%

v < 2.18.1

Affected range stops below 2.18.1, so it looks safe — our inference, not a vendor statement

dell-dss-8440 (same device)

EMC Storage NX3240 Firmware · Dell

95%

v < 2.18.1

Affected range stops below 2.18.1, so it looks safe — our inference, not a vendor statement

dell-emc-storage-nx3240 (same device)

EMC Storage NX3340 Firmware · Dell

95%

v < 2.18.1

Affected range stops below 2.18.1, so it looks safe — our inference, not a vendor statement

dell-emc-storage-nx3340 (same device)

EMC Xc Core 6420 Firmware · Dell

95%

v < 2.18.1

Affected range stops below 2.18.1, so it looks safe — our inference, not a vendor statement

dell-emc-xc-core-6420 (same device)

EMC Xc Core XC640 Firmware · Dell

95%

v < 2.18.1

Affected range stops below 2.18.1, so it looks safe — our inference, not a vendor statement

dell-emc-xc-core-xc640 (same device)

EMC Xc Core XC740XD Firmware · Dell

95%

v < 2.18.1

Affected range stops below 2.18.1, so it looks safe — our inference, not a vendor statement

dell-emc-xc-core-xc740xd (same device)

EMC Xc Core XC740XD2 Firmware · Dell

95%

v < 2.18.1

Affected range stops below 2.18.1, so it looks safe — our inference, not a vendor statement

dell-emc-xc-core-xc740xd2 (same device)

EMC Xc Core XC940 Firmware · Dell

95%

v < 2.18.1

Affected range stops below 2.18.1, so it looks safe — our inference, not a vendor statement

dell-emc-xc-core-xc940 (same device)

EMC Xc Core XCXR2 Firmware · Dell

95%

v < 2.18.1

Affected range stops below 2.18.1, so it looks safe — our inference, not a vendor statement

dell-emc-xc-core-xcxr2 (same device)

Poweredge C4140 Firmware · Dell

95%

v < 2.18.1

Affected range stops below 2.18.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://www.dell.com/support/kbdoc/en-us/000213550/dsa-2023-098-security-update-for-dell-poweredge-14g-server-bios-for-an-out-of-bounds-write-vulnerability

References (1)

Vendor Advisory

Source: [email protected]

https://www.dell.com/support/kbdoc/en-us/000213550/dsa-2023-098-security-update-for-dell-poweredge-14g-server-bios-for-an-out-of-bounds-write-vulnerability

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGH[email protected]

Attack Vector: LOCAL
Complexity: LOW
Privileges: LOW
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-787

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