CVE-2019-6553

high-risk
Published 2019-04-04

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.

Do I need to act?

!
17.2% chance of exploitation in next 30 days
EPSS score — higher than 83% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Rockwellautomation

References (2)

Third Party Advisory https://ics-cert.us-cert.gov/advisories/ICSA-19-064-01
Third Party Advisory https://ics-cert.us-cert.gov/advisories/ICSA-19-064-01
50
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 13/34 · Low
Exposure 5/34 · Minimal