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CVE-2018-11731

18
FAUCET Score

CVE-2018-11731 describes a heap-based buffer over-read vulnerability in the libfsntfs library, specifically within the libfsntfs_mft_entry_read_attributes function. This flaw, affecting libfsntfs through version 2018-04-20, could lead to information disclosure when processing a specially crafted NTFS file. The vulnerability has a CVSS v3 score of 5.5 (Medium), indicating a local attack vector with low complexity, requiring user interaction, and potentially resulting in high confidentiality impact. Despite the vendor disputing the vulnerability, there is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 20180420CPE matchmatch criteria
cpe:2.3:a:libfsntfs_project:libfsntfs:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.5MEDIUM

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.18%
Probability of exploitation in next 30 days
EPSS Percentile
64.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0118 is in the 75th percentile among its peer group of 5,758 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 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 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

packetstormsecurity.com / files/148115/libfsntfs-20180420-Information-Disclosure.html
Third Party AdvisoryVDB Entry
seclists.org / fulldisclosure/2018/Jun/17
Mailing ListThird Party Advisory