Buffer overflow in Trianglemicroworks Dnp3 Source Code Library

CVE-2020-6996

Triangle MicroWorks DNP3 Outstation LibrariesDNP3 Outstation .NET Protocol components and DNP3 Outstation ANSI C source code libraries are affected:3.16.00 through 3.25.01. A specially crafted message may cause a stack-based buffer overflow. Authentication is not required to exploit this vulnerability.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.013 (70.4th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 70th percentile — 70.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2020-6996: held from 0.013 to 0.013.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000

Affected products

  • Trianglemicroworks Dnp3 Source Code Library
  • Triangle Microworks Dnp3 Outstation Librariesdnp3 .Net Protocol Components And Ansi C Source Code Libraries Are Affected:3.16.00 Through 3.25.01 — versions Triangle MicroWorks DNP3 Outstation LibrariesDNP3 Outstation .NET Protocol components and DNP3 Outstation ANSI C source code libraries are affected:3.16.00 through 3.25.01

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-6996?
CVE-2020-6996 is a critical-severity vulnerability in Trianglemicroworks Dnp3 Source Code Library, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2020-04-15.
How severe is CVE-2020-6996?
Critical severity. CVSS v3 base score is 9.8 out of 10.