High severity · published Apr 22, 2019
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
7.5
CVSS
0.8%
EPSS
No
On KEV
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 vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 55% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BB
BladeCenter BIOS · IBM
various · source: vendor
SX
System x BIOS · IBM
various · source: vendor
BH
Bladecenter Hs23 Firmware · Ibm
before 3.0.0 · source: NVD
SX
System X3530 M4 Firmware · Ibm
before 3.20 · source: NVD
SX
System X3630 M4 Firmware · Ibm
before 3.20 · source: NVD
SX
System X3650 M4 HD Firmware · Ibm
before 2.40 · source: NVD