Is there a public exploit for CVE-2023-4693?

No public exploit for CVE-2023-4693 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2023-4693?

CVE-2023-4693 scores CVSS 5.3 (v3.1), rated medium. EPSS puts the chance of exploitation in the next 30 days at 0.49%.

What does CVE-2023-4693 affect?

CVE-2023-4693 affects Red Hat Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 8.

5.3 Medium

An out-of-bounds read flaw was found on grub2's NTFS filesystem driver.

CVE-2023-4693

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.

Assessment

CVSS: 5.3 (v3.1)
Severity: Medium
EPSS: 0.49% chance of exploitation in the next 30 days
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 25 October 2023
Last updated: 2 November 2026
Affected: Red Hat · Red Hat Enterprise Linux 8 · Red Hat Enterprise Linux 9
Assigner: redhat

CVSS vectorCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N

At the source

EUVD (ENISA)

References

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