How severe is CVE-2019-6155?

CVE-2019-6155 has a CVSS 3.x base score of 4.1, rated medium severity. It is exploitable over local access with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2019-6155 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-6155?

CVE-2019-6155 primarily affects Ibm Bladecenter Hs23 Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-6155?

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

When was CVE-2019-6155 published?

CVE-2019-6155 was published on 2019-04-22 and last updated on 2026-06-17.

CVE-2019-6155

CVE-2019-6155 is a medium-severity vulnerability in Ibm Bladecenter Hs23 Firmware with a CVSS 3.x base score of 4.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 4.1)
CVSS v2: 7.8
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Ibm Bladecenter Hs23 Firmware
Published: 2019-04-22
Last modified: 2026-06-17

Description

A potential vulnerability was found in an SMI handler in various BIOS versions of certain legacy IBM System x and IBM BladeCenter systems that could lead to denial of service.

Frequently asked questions

What is CVE-2019-6155?: A potential vulnerability was found in an SMI handler in various BIOS versions of certain legacy IBM System x and IBM BladeCenter systems that could lead to denial of service.
How severe is CVE-2019-6155?: CVE-2019-6155 has a CVSS 3.x base score of 4.1, rated medium severity. It is exploitable over local access with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2019-6155 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-6155?: CVE-2019-6155 primarily affects Ibm Bladecenter Hs23 Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-6155?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-6155 published?: CVE-2019-6155 was published on 2019-04-22 and last updated on 2026-06-17.

References

https://support.lenovo.com/solutions/LEN-25165

Affected products (4)

cpe:2.3:o:ibm:bladecenter_hs23_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:system_x3530_m4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:system_x3630_m4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:system_x3650_m4_hd_firmware:*:*:*:*:*:*:*:*

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