CVE-2019-6553
CriticalAn input validation issue in a .dll file of RSLinx Classic where the data in a Forward Open service request is passed to a fixed size buffer, allowing an attacker to exploit a stack-based buffer overflow condition.
Published Apr 4, 2019 · Updated Nov 21, 2024
Key Facts
Patch immediately- CVE-2019-6553 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Rslinx (Rockwellautomation), RSLinx Classic.
- It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
- EPSS estimates a 66% probability of exploitation in the next 30 days.
- Fixed versions are available, including Rslinx <=4.10.00, Rslinx 4.10.00.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
66%
Higher than 99.2% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
None known
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Description
A vulnerability was found in Rockwell Automation RSLinx Classic versions 4.10.00 and prior. An input validation issue in a .dll file of RSLinx Classic where the data in a Forward Open service request is passed to a fixed size buffer, allowing an attacker to exploit a stack-based buffer overflow condition.
Affected Products
2 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| RslinxRockwellautomation | See advisory | 4.10.00 |
| RSLinx Classic | >= 4.10.00 and prior | n/a |
Patched Releases
Rslinx
<=4.10.00
Timeline
Publicly disclosed
Apr 4, 2019
Last updated
Nov 21, 2024
Weakness Type
- CWE-121 Stack-based Buffer Overflow
- CWE-787 Out-of-bounds Write
References
FAQ
Common Questions.
A vulnerability was found in Rockwell Automation RSLinx Classic versions 4.10.00 and prior.
Affected: Rslinx (Rockwellautomation); RSLinx Classic versions >= 4.10.00 and prior. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including Rslinx <=4.10.00, Rslinx 4.10.00.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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