No exploitation reportedFix available

CVE-2016-5814

Q: Is CVE-2016-5814 actively exploited?

Active exploitation of CVE-2016-5814 has not been confirmed. Its EPSS score was 4.7% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2016-5814?

CVE-2016-5814 has a CVSS v3 base score of 8.6 (HIGH severity), with vector string CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.

No exploitation reported by the sources we read.

Published2016-09-19
WeaknessCWE-119

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Buffer overflow in Rockwell Automation RSLogix Micro Starter Lite, RSLogix Micro Developer, RSLogix 500 Starter Edition, RSLogix 500 Standard Edition, and RSLogix 500 Professional Edition allows remote attackers to execute arbitrary code via a crafted RSS project file.

Timeline

dates in UTC

2016-09-1901:59CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2016-5814?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2016-5814?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Rockwellautomation rslogix 500 professional edition

Branch	Affected	Fixed in	Source
—	all versions	no fix published	NVD

Rockwellautomation rslogix 500 standard edition

Branch	Affected	Fixed in	Source
—	all versions	no fix published	NVD

Rockwellautomation rslogix 500 starter edition

Branch	Affected	Fixed in	Source
—	all versions	no fix published	NVD

2 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

ICSA-16-224-02A CISA5 known affected
Rockwell Automation RSLogix 500 and RSLogix Micro File Parser Buffer Overflow Vulnerability (Update A)
Rockwell Automation RSLogix Micro Starter Lite: <=10.00.00 · Rockwell Automation RSLogix Micro Developer: <=10.00.00 · Rockwell Automation RSLogix 500 Starter Edition: <=10.00.00 · +2 more

Full record on NVD

Fix

Mitigation from the vendor CISA ICSA-16-224-02A · 5 productsUsers using affected versions of RSLogix 500 and RSLogix Micro are encouraged to update to Version 11.00.00 that addresses associated risk and includes added improvements to further harden the software and enhance its resilience against similar malicious attacks. Version 11.00.00 can be found on Ro…
Mitigation from the vendor CISA ICSA-16-224-02A · 5 productsUsers of RSLogix Micro Version 8.40.00 or RSLogix 500 Version 8.40.00 may apply patch KB878490 until they are able to update to Version 11.00.00. This patch can be found on Rockwell Automation’s web site at the following URL with a valid account: (https://rockwellautomation.custhelp.com/app/answers…
Mitigation from the vendor CISA ICSA-16-224-02A · 5 productsDo not open untrusted RSS files with RSLogix 500 and RSLogix Micro. Run all software as user, not as an administrator to minimize the impact of malicious code on the infected system. Use trusted software, software patches, and anti-virus/anti-malware programs, and interact only with trusted web sit…

Advisories and patches

ics-cert.us-cert.govMitigation · Patch

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.08.6read 2026-10-23
NVDCVSS 2.09.3read 2026-10-23
NVDweakness (CWE)CWE-119read 2026-10-23
FIRST EPSSEPSS score4.7 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Published: 2016-09-19
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2016-5814?

Is CVE-2016-5814 actively exploited?

Active exploitation of CVE-2016-5814 has not been confirmed. Its EPSS score was 4.7% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2016-5814?

CVE-2016-5814 has a CVSS v3 base score of 8.6 (HIGH severity), with vector string CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.

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