How severe is CVE-2018-14829?

CVE-2018-14829 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-14829 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 16% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-14829?

CVE-2018-14829 affects Rockwellautomation Rslinx. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-14829?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2018-14829 published?

CVE-2018-14829 was published on 2018-09-20 and last updated on 2026-06-17.

CVE-2018-14829

CVE-2018-14829 is a critical-severity vulnerability in Rockwellautomation Rslinx with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 16% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 16% (97th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Rockwellautomation Rslinx
Published: 2018-09-20
Last modified: 2026-06-17

Description

Rockwell Automation RSLinx Classic Versions 4.00.01 and prior. This vulnerability may allow a remote threat actor to intentionally send a malformed CIP packet to Port 44818, causing the software application to stop responding and crash. This vulnerability also has the potential to exploit a buffer overflow condition, which may allow the threat actor to remotely execute arbitrary code.

Frequently asked questions

What is CVE-2018-14829?: Rockwell Automation RSLinx Classic Versions 4.00.01 and prior. This vulnerability may allow a remote threat actor to intentionally send a malformed CIP packet to Port 44818, causing the software application to stop responding and crash. This vulnerability also has the potential to exploit a buffer overflow condition, which may allow the threat actor to remotely execute arbitrary code.
How severe is CVE-2018-14829?: CVE-2018-14829 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-14829 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 16% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-14829?: CVE-2018-14829 affects Rockwellautomation Rslinx. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-14829?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2018-14829 published?: CVE-2018-14829 was published on 2018-09-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:rockwellautomation:rslinx:*:*:*:*:classic:*:*:*

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