How severe is CVE-2023-25537?

CVE-2023-25537 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability high.

Is CVE-2023-25537 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-25537?

CVE-2023-25537 primarily affects Dell Poweredge R740 Firmware. In total, 30 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-25537?

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

When was CVE-2023-25537 published?

CVE-2023-25537 was published on 2023-05-22 and last updated on 2026-06-17.

CVE-2023-25537

CVE-2023-25537 is a medium-severity vulnerability in Dell Poweredge R740 Firmware with a CVSS 3.x base score of 6.1. 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-787.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
EPSS exploit prediction: 0% (8th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Dell Poweredge R740 Firmware
Published: 2023-05-22
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2023-25537?: 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.
How severe is CVE-2023-25537?: CVE-2023-25537 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability high.
Is CVE-2023-25537 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-25537?: CVE-2023-25537 primarily affects Dell Poweredge R740 Firmware. In total, 30 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-25537?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-25537 published?: CVE-2023-25537 was published on 2023-05-22 and last updated on 2026-06-17.

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

Affected products (30)

cpe:2.3:o:dell:poweredge_r740_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:poweredge_r740xd_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:poweredge_r640_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:poweredge_r940_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:poweredge_r540_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:poweredge_r440_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:poweredge_t440_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:poweredge_xr2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:poweredge_r740xd2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:poweredge_r840_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:poweredge_r940xa_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:poweredge_t640_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:poweredge_c6420_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:poweredge_fc640_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:poweredge_m640_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:poweredge_mx740c_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:poweredge_mx840c_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:poweredge_c4140_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:dss_8440_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:poweredge_xe2420_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:poweredge_xe7420_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:poweredge_xe7440_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:emc_storage_nx3240_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:emc_storage_nx3340_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:emc_xc_core_6420_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:emc_xc_core_xc640_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:emc_xc_core_xc740xd_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:emc_xc_core_xc740xd2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:emc_xc_core_xc940_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:emc_xc_core_xcxr2_firmware:*:*:*:*:*:*:*:*

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