Vulnerability Details : CVE-2020-12038
Products that use EDS Subsystem: Version 28.0.1 and prior (FactoryTalk Linx software (Previously called RSLinx Enterprise): Versions 6.00, 6.10, and 6.11, RSLinx Classic: Version 4.11.00 and prior, RSNetWorx software: Version 28.00.00 and prior, Studio 5000 Logix Designer software: Version 32 and prior) is vulnerable. A memory corruption vulnerability exists in the algorithm that matches square brackets in the EDS subsystem. This may allow an attacker to craft specialized EDS files to crash the EDSParser COM object, leading to denial-of-service conditions.
Vulnerability category: OverflowMemory CorruptionDenial of service
Products affected by CVE-2020-12038
- cpe:2.3:a:rockwellautomation:rslinx:*:*:*:*:classic:*:*:*
- cpe:2.3:a:rockwellautomation:rslinx_enterprise:6.00.00:*:*:*:*:*:*:*
- cpe:2.3:a:rockwellautomation:rslinx_enterprise:6.10.00:*:*:*:*:*:*:*
- cpe:2.3:a:rockwellautomation:rslinx_enterprise:6.11.00:*:*:*:*:*:*:*
- cpe:2.3:a:rockwellautomation:studio_5000_logix_designer:*:*:*:*:*:*:*:*
- cpe:2.3:a:rockwellautomation:eds_subsystem:*:*:*:*:*:*:*:*
- cpe:2.3:a:rockwellautomation:rsnetworx:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-12038
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 12 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-12038
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST | |
|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2020-12038
-
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.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-2020-12038
-
https://www.us-cert.gov/ics/advisories/icsa-20-140-01
Rockwell Automation EDS Subsystem | CISAMitigation;Patch;Third Party Advisory;US Government Resource
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