Out-of-bounds Read in Libmodbus
CVE-2019-14462
An issue was discovered in libmodbus before 3.0.7 and 3.1.x before 3.1.5. There is an out-of-bounds read for the MODBUS_FC_WRITE_MULTIPLE_COILS case, aka VD-1302.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.
EPSS exploit prediction
EPSS: 0.020 (79.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 79.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000
Affected products
- Libmodbus
- Debian Linux — versions 9.0
- Fedoraproject Fedora — versions 29, 30
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/stephane/libmodbus/commit/5ccdf5ef79d742640355d1132fa9e2abc7fbaefc (Patch, Third Party Advisory)
- libmodbus.org/2019/stable-and-development-releases/ (Release Notes, Vendor Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.debian.org/debian-lts-announce/2021/11/msg00020.html (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-14462?
- CVE-2019-14462 is a critical-severity vulnerability in Libmodbus, classified under Out-of-bounds Read. CVSS score: 9.1/10. Published 2019-07-31.
- How severe is CVE-2019-14462?
- Critical severity. CVSS v3 base score is 9.1 out of 10.
- Is CVE-2019-14462 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.