Vulnerability Details : 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 category: OverflowMemory Corruption
Products affected by CVE-2020-6996
- Trianglemicroworks » Dnp3 Source Code LibraryVersions from including (>=) 3.16.00 and up to, including, (<=) 3.25.01cpe:2.3:a:trianglemicroworks:dnp3_source_code_library:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-6996
0.23%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 61 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-6996
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2020-6996
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A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).Assigned by: ics-cert@hq.dhs.gov (Secondary)
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-6996
-
https://www.us-cert.gov/ics/advisories/icsa-20-105-02
Triangle MicroWorks DNP3 Outstation Libraries | CISAThird Party Advisory;US Government Resource
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