MEDIUM
CVE-2022-4575
CWE-276Published: October 30, 2023· Updated: Jun 17, 2026
6.7
CVSS v3.1
Official Description
A vulnerability due to improper write protection of UEFI variables was reported in the BIOS of some ThinkPad models could allow an attacker with physical or local access and elevated privileges the ability to bypass Secure Boot.
Technical Analysis
CVE-2022-4575 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires high privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 6.7.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.High
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Affected Vendors & Products
Lenovo26 product(s)
thinkpad 25 firmwarethinkpad 25thinkpad l560 firmwarethinkpad l560thinkpad p50 firmwarethinkpad p50thinkpad p50s firmwarethinkpad p50sthinkpad p70 firmwarethinkpad p70thinkpad t470 firmwarethinkpad t470+14
Source: NVD CPE · 26 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (2)
→
https://support.lenovo.com/us/en/product_security/LEN-106014Vendor Advisory
→
https://support.lenovo.com/us/en/product_security/LEN-106014Vendor Advisory
Quick Facts
CVE IDCVE-2022-4575
CVSS Score6.7 / 10
SeverityMEDIUM
WeaknessCWE-276
CISA KEVNo
Affected1 vendor(s)
PublishedOct 30, 2023
Related CVEs (CWE-276)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2022-4575 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.