High severity · published Jan 26, 2023
CVE-2022-1892
A buffer overflow in the SystemBootManagerDxe driver in some Lenovo Notebook products may allow an attacker with local privileges to execute arbitrary code
7.8
CVSS
0.3%
EPSS
No
On KEV
Description
A buffer overflow in the SystemBootManagerDxe driver in some Lenovo Notebook products may allow an attacker with local privileges to execute arbitrary code.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 28% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
12
100e 2nd Gen Firmware · Lenovo
before frcn23ww · source: NVD
1G
100w Gen 3 Firmware · Lenovo
before gacn38ww · source: NVD
1Y
13w Yoga Firmware · Lenovo
before jacn31ww · source: NVD
1G
14w Gen 2 Firmware · Lenovo
before h0cn21ww · source: NVD
32
300e 2nd Gen Firmware · Lenovo
before frcn23ww · source: NVD
3G
300w Gen 3 Firmware · Lenovo
before gacn38ww · source: NVD
5G
500w Gen 3 Firmware · Lenovo
before g6cn40ww · source: NVD
7F
730s-13iml Firmware · Lenovo
before brcn20ww · source: NVD
F3
Flex 3-11ada05 Firmware · Lenovo
before fpcn26ww · source: NVD
F5
Flex 5-14alc05 Firmware · Lenovo
before gjcn27ww · source: NVD
F5
Flex 5-14are05 Firmware · Lenovo
before eecn39ww · source: NVD
F5
Flex 5-14iil05 Firmware · Lenovo
before eecn40ww · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-1892
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-1892
Vendor Advisory
https://support.lenovo.com/us/en/product_security/LEN-91369
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