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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.77%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.77% probability · 55th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Affected
- ibm/bladecenter hs23 firmware · ibm/system x3530 m4 firmware · ibm/system x3630 m4 firmware · ibm/system x3650 m4 hd firmware
- Source
- psirt@lenovo.com
EPSS 0.8% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://support.lenovo.com/solutions/LEN-25165Third Party Advisory
- https://support.lenovo.com/solutions/LEN-25165Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.