CVE-2023-4693
low-risk
Published 2023-10-25
An out-of-bounds read flaw was found on grub2's NTFS filesystem driver. This issue may allow a physically present attacker to present a specially crafted NTFS file system image to read arbitrary memory locations. A successful attack allows sensitive data cached in memory or EFI variable values to be leaked, presenting a high Confidentiality risk.
Do I need to act?
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0.01% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.3/10
Medium
LOCAL
/ HIGH complexity
Affected Products (3)
References (20)
Third Party Advisory
https://access.redhat.com/security/cve/CVE-2023-4693
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=2238343
Mailing List
https://seclists.org/oss-sec/2023/q4/37
Third Party Advisory
https://access.redhat.com/security/cve/CVE-2023-4693
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=2238343
Mailing List
https://seclists.org/oss-sec/2023/q4/37
23
/ 100
low-risk
Severity
14/34 · Moderate
Exploitability
0/34 · Minimal
Exposure
9/34 · Low