Buffer overflow in Rockwellautomation Eds Subsystem
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 class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.026 (85.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 85.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.025 · newest: 0.026 · change: +0.001
Affected products
- Rockwellautomation Eds Subsystem
- Rockwellautomation Rslinx
- Rockwellautomation Rslinx Enterprise — versions 6.00.00, 6.10.00, 6.11.00
- Rockwellautomation Rsnetworx
- Rockwellautomation Studio 5000 Logix Designer
- Eds Subsystem, Factorytalk Linx Software (Previously Called Rslinx Enterprise), Classic, Rsnetworx Software, Studio 5000 Logix Designer — versions 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
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.us-cert.gov/ics/advisories/icsa-20-140-01 (US Government Resource, Patch, Third Party Advisory, Mitigation)
Frequently asked questions
- What is CVE-2020-12038?
- CVE-2020-12038 is a medium-severity vulnerability in Rockwellautomation Eds Subsystem, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.5/10. Published 2020-05-19.
- How severe is CVE-2020-12038?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2020-12038 known to be exploited?
- 9 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.