CVE-2024-5800: Diffie-Hellman groups with insufficient strength are used in the SSL/TLS stack of B&R Automation Runtime versi

Q: How do I fix CVE-2024-5800?

automation runtime: upgrade to 6.0.2. Exact commands for each OS are on this page.

Q: Is CVE-2024-5800 being exploited?

CVE-2024-5800 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2024-5800 affect?

CVE-2024-5800 affects automation runtime. Severity is high (CVSS 7.5). Diffie-Hellman groups with insufficient strength are used in the SSL/TLS stack of B&R Automation Runtime versions before 6.0.2, allowing a network attacker to decrypt the SSL/TLS communication.

Q: How urgent is CVE-2024-5800?

Priority 35/100. High severity; Remotely exploitable, no login, no user action

Routine

HIGH 7.5REMOTEUPGRADE

CVE-2024-5800 is a high-severity flaw (CVSS 7.5) affecting automation runtime. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Diffie-Hellman groups with insufficient strength are used in the SSL/TLS stack of B&R Automation Runtime versions before 6.0.2, allowing a network attacker to decrypt the SSL/TLS communication.

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.3% (top 83%)
CISA exploited list	No
Weakness	CWE-326
Published	2024-08-12
Last modified	2026-06-17

Publisher (CNA): Asea Brown Boveri Ltd. (ABB) · Vendor: br-automation

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

Am I affected?

Timeline

2024-08-12 13:38 UTCPublished CVE record published
2026-06-17 08:16 UTCUpdated Record last modified

br-automation automation runtime UPGRADE

Affected: < 6.0.2

Fixed in: 6.0.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy automation-runtime || rpm -q automation-runtime || automation-runtime --version

2. UPGRADE to 6.0.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade automation-runtime

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade automation-runtime

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2024-5800?

automation runtime: upgrade to 6.0.2. Exact commands for each OS are on this page.

Is CVE-2024-5800 being exploited?

CVE-2024-5800 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-2024-5800 affect?

CVE-2024-5800 affects automation runtime. Severity is high (CVSS 7.5). Diffie-Hellman groups with insufficient strength are used in the SSL/TLS stack of B&R Automation Runtime versions before 6.0.2, allowing a network attacker to decrypt the SSL/TLS communication.

How urgent is CVE-2024-5800?

Priority 35/100. High severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2023-3242 HIGH 8.6 UPGRADE Improper initialization implementation in Portmapper used in B&R Industrial Automation Automation Runtime <G4.

References

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