Vulnerability · Published Apr 15, 2020 · Assigned by icscert

CVE-2020-6996

Critical 9.8

In plain English

A critical-severity stack buffer overflow in 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. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.3% (higher than 72% of all known vulnerabilities).

Severity (CVSS NVD)9.8Critical

Exploit odds (30 days)1.3%top 28.4% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
n/a	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	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: CWE-121

References

https://www.us-cert.gov/ics/advisories/icsa-20-105-02 x_refsource_MISC