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CVE-2019-14462

29
FAUCET Score

CVE-2019-14462 is an out-of-bounds read vulnerability affecting libmodbus versions before 3.0.7 and 3.1.x before 3.1.5, specifically within the MODBUS_FC_WRITE_MULTIPLE_COILS case. This critical vulnerability, with a CVSS score of 9.1, allows an unauthenticated attacker to remotely impact confidentiality and availability with low attack complexity. While the vulnerability is severe, there is currently no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.0.7CPE matchmatch criteria
cpe:2.3:a:libmodbus:libmodbus:*:*:*:*:*:*:*:*
>= 3.1.0, < 3.1.5CPE matchmatch criteria
cpe:2.3:a:libmodbus:libmodbus:*:*:*:*:*:*:*:*
29CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*
30CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.1CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.98%
Probability of exploitation in next 30 days
EPSS Percentile
78.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0198 is in the 67th percentile among its peer group of 36,833 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / stephane/libmodbus/commit/5ccdf5ef79d742640355d1132fa9e2abc7fbaefc
PatchThird Party Advisory
libmodbus.org / 2019/stable-and-development-releases
Release NotesVendor Advisory
lists.debian.org / debian-lts-announce/2021/11/msg00020.html
Mailing ListThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/HAGHQFJTJCMYHW553OUWJ3YIJR6PJHB7
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/PRAQZXGAZY6UGWZ6CD33QEFLL7AWW233