CVE-2024-5659: Rockwell Automation was made aware of a vulnerability that causes all affected controllers on the same network

Routine

MEDIUM 6.5MITIGATEMITIGATEMITIGATE

CVE-2024-5659 is a medium-severity flaw (CVSS 6.5) affecting controllogix 5580 firmware, guardlogix 5580 firmware, 1756-en4 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Rockwell Automation was made aware of a vulnerability that causes all affected controllers on the same network to result in a major nonrecoverable fault(MNRF/Assert). This vulnerability could be exploited by sending abnormal packets to the mDNS port. If exploited, the availability of the device would be compromised.

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Adjacent network
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.3% (top 76%)
CISA exploited list	No
Weakness	CWE-670
Published	2024-06-14
Last modified	2026-06-17

Publisher (CNA): Rockwell Automation · Vendor: rockwellautomation

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-06-14 17:15 UTCPublished CVE record published
2026-06-17 08:16 UTCUpdated Record last modified

rockwellautomation controllogix 5580 firmware MITIGATE

Affected: 34.011

Fixed in: no fixed release known

Safe to downgrade to: a release before 34.011

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

rockwellautomation guardlogix 5580 firmware MITIGATE

Affected: 34.011

Fixed in: no fixed release known

Safe to downgrade to: a release before 34.011

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

rockwellautomation 1756-en4 firmware MITIGATE

Affected: 4.001

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.001

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

rockwellautomation compactlogix 5380 firmware MITIGATE

Affected: 34.011

Fixed in: no fixed release known

Safe to downgrade to: a release before 34.011

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

rockwellautomation compact guardlogix 5380 firmware MITIGATE

Affected: 34.011

Fixed in: no fixed release known

Safe to downgrade to: a release before 34.011

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

rockwellautomation compactlogix 5480 firmware MITIGATE

Affected: 34.011

Fixed in: no fixed release known

Safe to downgrade to: a release before 34.011

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-5659?

controllogix 5580 firmware: mitigate or apply the listed mitigation; guardlogix 5580 firmware: mitigate or apply the listed mitigation; 1756-en4 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-5659 being exploited?

CVE-2024-5659 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-5659 affect?

CVE-2024-5659 affects controllogix 5580 firmware, guardlogix 5580 firmware, 1756-en4 firmware. Severity is medium (CVSS 6.5). Rockwell Automation was made aware of a vulnerability that causes all affected controllers on the same network to result in a major nonrecoverable fault(MNRF/Assert). This vulnerability could be exploited by sending abnormal packets to the

How urgent is CVE-2024-5659?

Priority 29/100. No elevated risk signals yet.

Software pages

Rockwell Automation vulnerabilities

Related CVEs

CVE-2025-9166 HIGH 7.5 MITIGATE A denial-of-service security issue exists in the affected product and version
CVE-2024-8626 HIGH 7.5 UPGRADE UPGRADE Due to a memory leak, a denial-of-service vulnerability exists in the Rockwell Automation affected products
CVE-2024-7515 HIGH 7.5 UPGRADE UPGRADE CVE-2024-7515 IMPACT A denial-of-service vulnerability exists in the affected products
CVE-2024-7507 MEDIUM 6.5 UPGRADE UPGRADE CVE-2024-7507 IMPACT A denial-of-service vulnerability exists in the affected products
CVE-2024-6207 HIGH 7.5 UPGRADE UPGRADE CVE 2021-22681 https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.PN1550.html

References

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