How severe is CVE-2019-6157?

CVE-2019-6157 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2019-6157 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-6157?

CVE-2019-6157 primarily affects Lenovo Flex System X240 M4 Firmware. In total, 42 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-6157?

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

When was CVE-2019-6157 published?

CVE-2019-6157 was published on 2019-04-22 and last updated on 2026-06-17.

CVE-2019-6157

CVE-2019-6157 is a medium-severity vulnerability in Lenovo Flex System X240 M4 Firmware with a CVSS 3.x base score of 6.5. 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-532.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-532
Affected product: Lenovo Flex System X240 M4 Firmware
Published: 2019-04-22
Last modified: 2026-06-17

Description

In various firmware versions of Lenovo System x, the integrated management module II (IMM2)'s first failure data capture (FFDC) includes the web server's private key in the generated log file for support.

Frequently asked questions

What is CVE-2019-6157?: In various firmware versions of Lenovo System x, the integrated management module II (IMM2)'s first failure data capture (FFDC) includes the web server's private key in the generated log file for support.
How severe is CVE-2019-6157?: CVE-2019-6157 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2019-6157 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-6157?: CVE-2019-6157 primarily affects Lenovo Flex System X240 M4 Firmware. In total, 42 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-6157?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-6157 published?: CVE-2019-6157 was published on 2019-04-22 and last updated on 2026-06-17.

References

https://support.lenovo.com/solutions/LEN-25667

Affected products (42)

cpe:2.3:o:lenovo:flex_system_x240_m4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:flex_system_x240_m5_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:flex_system_x280_x6_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:flex_system_x440_m4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:flex_system_x480_x6_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:flex_system_x880_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:nextscale_nx360_m5_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:system_x3250_m6_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:system_x3500_m5_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:system_x3550_m5_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:system_x3650_m5_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:system_x3750_m4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:system_x3850_x6_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:system_x3950_x6_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:bladecenter_hs22_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:bladecenter_hs23_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:bladecenter_hs23e_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:flex_system_x220_m4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:flex_system_x222_m4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:flex_system_x240_m4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:flex_system_x280_m4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:flex_system_x440_m4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:flex_system_x480_m4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:flex_system_x880_m4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:idataplex_dx360_m4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:idataplex_dx360_m4_water_cooled_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:nextscale_nx360_m4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:system_x3100_m4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:system_x3100_m5_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:system_x3250_m4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:system_x3250_m5_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:system_x3300_m4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:system_x3500_m4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:system_x3530_m4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:system_x3550_m4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:system_x3630_m4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:system_x3650_m4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:system_x3650_m4_bd_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:system_x3650_m4_hd_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:system_x3750_m4_firmware:*:*:*:*:*:*:*:*

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