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CVE-2024-7507: CVE-2024-7507 IMPACT A denial-of-service vulnerability exists in the affected products

33
Routine
MEDIUM 6.5UPGRADEUPGRADEUPGRADE

CVE-2024-7507 is a medium-severity flaw (CVSS 6.5) affecting compactlogix 5380 firmware, controllogix 5580 firmware, guardlogix 5580 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

CVE-2024-7507 IMPACT A denial-of-service vulnerability exists in the affected products. This vulnerability occurs when a malformed PCCC message is received, causing a fault in the controller.

Why this priority

  • No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score6.5 (Medium)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededLow
User interactionNone
EPSS exploit chance0.5% (top 57%)
CISA exploited listNo
WeaknessCWE-20
Published2024-08-14
Last modified2026-06-17
Publisher (CNA): Rockwell Automation · Vendor: rockwellautomation

Share: LinkedIn · X · Reddit

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

Am I affected?

Timeline

rockwellautomation compactlogix 5380 firmware UPGRADE
Affected: >= 28.011 and < 34.014 · 35.011
Fixed in: 34.014
Safe to downgrade to: a release before 28.011
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 controllogix 5580 firmware UPGRADE
Affected: >= 28.011 and < 34.014 · 35.011
Fixed in: 34.014
Safe to downgrade to: a release before 28.011
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 UPGRADE
Affected: >= 31.011 and < 34.014 · 35.011
Fixed in: 34.014
Safe to downgrade to: a release before 31.011
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 sil 2 firmware UPGRADE
Affected: >= 31.011 and < 34.014 · 35.011
Fixed in: 34.014
Safe to downgrade to: a release before 31.011
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 sil 3 firmware UPGRADE
Affected: >= 32.013 and < 34.014 · 35.011
Fixed in: 34.014
Safe to downgrade to: a release before 32.013
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 UPGRADE
Affected: >= 32.011 and < 34.014 · 35.011
Fixed in: 34.014
Safe to downgrade to: a release before 32.011
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-2024-7507?

compactlogix 5380 firmware: upgrade to 34.014; controllogix 5580 firmware: upgrade to 34.014; guardlogix 5580 firmware: upgrade to 34.014. Exact commands for each OS are on this page.

Is CVE-2024-7507 being exploited?

CVE-2024-7507 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-2024-7507 affect?

CVE-2024-7507 affects compactlogix 5380 firmware, controllogix 5580 firmware, guardlogix 5580 firmware. Severity is medium (CVSS 6.5). CVE-2024-7507 IMPACT A denial-of-service vulnerability exists in the affected products. This vulnerability occurs when a malformed PCCC message is received, causing a fault in the controller.

How urgent is CVE-2024-7507?

Priority 33/100. No elevated risk signals yet.

Related CVEs

References

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