Medium severity · published Oct 30, 2023
CVE-2022-48189
An SMM driver input validation vulnerability in the BIOS of some ThinkPad models could allow an attacker with local access and elevated privileges to execute arbitrary code
6.7
CVSS
0.2%
EPSS
No
On KEV
Description
An SMM driver input validation vulnerability in the BIOS of some ThinkPad models could allow an attacker with local access and elevated privileges to execute arbitrary code.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 9% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TE
Thinkpad E14 Firmware · Lenovo
before 1.23 · source: NVD
TE
Thinkpad E14 Gen 2 Firmware · Lenovo
before 1.55 · source: NVD
TE
Thinkpad E14 Gen 4 Firmware · Lenovo
before 1.18; before 1.16 · source: NVD
TE
Thinkpad E15 Firmware · Lenovo
before 1.23 · source: NVD
TE
Thinkpad E15 Gen 2 Firmware · Lenovo
before 1.55 · source: NVD
TE
Thinkpad E15 Gen 4 Firmware · Lenovo
before 1.18; before 1.16 · source: NVD
TE
Thinkpad E490 Firmware · Lenovo
before 1.34 · source: NVD
TE
Thinkpad E490s Firmware · Lenovo
before 1.34 · source: NVD
TE
Thinkpad E590 Firmware · Lenovo
before 1.34 · source: NVD
TL
Thinkpad L13 Gen 3 Firmware · Lenovo
before 1.14 · source: NVD
TL
Thinkpad L13 Yoga Gen 3 Firmware · Lenovo
before 1.14 · source: NVD
TL
Thinkpad L14 Firmware · Lenovo
before 1.2; before 1.3; before 1.26 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-48189
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-48189
Vendor Advisory
https://support.lenovo.com/us/en/product_security/LEN-106014
More from Thinkpad E14 Firmware
6.8
CVE-2020-8336
Lenovo implemented Intel CSME Anti-rollback ARB protections on some ThinkPad models to prevent roll back of CSME Firmware in flash
6.8
CVE-2020-8320
An internal shell was included in BIOS image in some ThinkPad models that could allow escalation of privilege
6.7
CVE-2023-2290
A potential vulnerability in the LenovoFlashDeviceInterface SMI handler may allow an attacker with local access and elevated privileges to execute arbitrary code