Critical severity · published Apr 4, 2019
CVE-2019-6553
A vulnerability was found in Rockwell Automation RSLinx Classic versions 4.10.00 and prior
9.8
CVSS
66.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)66.3% · higher than 99% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RS
Rslinx · Rockwellautomation
through 4.10.00 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-6553
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-6553
Third Party Advisory
https://ics-cert.us-cert.gov/advisories/ICSA-19-064-01
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