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CVE-2023-5368

19
FAUCET Score

CVE-2023-5368 describes a vulnerability in the msdosfs filesystem on FreeBSD, where 'truncate' or 'ftruncate' system calls can populate newly allocated file space with unallocated data from the disk instead of zero bytes. This allows an attacker with write access to files on an msdosfs filesystem to potentially read sensitive, previously deleted data. The vulnerability has a CVSS v3.1 score of 6.5 (Medium), indicating a network-based attack with low complexity, requiring low privileges, and resulting in high confidentiality impact without affecting integrity or availability. Its EPSS and FAUCET Risk Score are low, suggesting a limited likelihood of exploitation. Currently, there is no evidence of active exploitation, nor are there publicly available exploit modules in Metasploit, Nuclei, or ExploitDB. The vulnerability has garnered minimal community discussion and media coverage, suggesting it is not a widely recognized or actively targeted threat.

Impacted Technologies

VendorProductVersion(s)CPE
< 12.4CPE matchmatch criteria
cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:*
>= 13.0, < 13.2CPE matchmatch criteria
cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:*
12.4CPE matchmatch criteria
cpe:2.3:o:freebsd:freebsd:12.4:-:*:*:*:*:*:*
12.4CPE matchmatch criteria
cpe:2.3:o:freebsd:freebsd:12.4:p1:*:*:*:*:*:*
12.4CPE matchmatch criteria
cpe:2.3:o:freebsd:freebsd:12.4:p2:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.53%
Probability of exploitation in next 30 days
EPSS Percentile
42.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0053 is in the 52nd percentile among its peer group of 21,977 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

dfir.ru / 2023/11/01/bringing-unallocated-data-back-the-fat12-16-32-case
security.freebsd.org / advisories/FreeBSD-SA-23:12.msdosfs.asc
Patch
security.netapp.com / advisory/ntap-20231124-0004