How severe is CVE-2024-8603?

CVE-2024-8603 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2024-8603 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2024-8603?

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

Does CVE-2024-8603 have an EU (EUVD) identifier?

Yes. CVE-2024-8603 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-49645.

When was CVE-2024-8603 published?

CVE-2024-8603 was published on 2025-01-15 and last updated on 2026-06-17.

CVE-2024-8603

CVE-2024-8603 is a high-severity vulnerability with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-327.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v4: 8.2
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-49645
Weakness: CWE-327
Published: 2025-01-15
Last modified: 2026-06-17

Description

A “Use of a Broken or Risky Cryptographic Algorithm” vulnerability in the SSL/TLS component used in B&R Automation Runtime versions before 6.1 and B&R mapp View versions before 6.1 may be abused by unauthenticated network-based attackers to masquerade as services on impacted devices.

Frequently asked questions

What is CVE-2024-8603?: A “Use of a Broken or Risky Cryptographic Algorithm” vulnerability in the SSL/TLS component used in B&R Automation Runtime versions before 6.1 and B&R mapp View versions before 6.1 may be abused by unauthenticated network-based attackers to masquerade as services on impacted devices.
How severe is CVE-2024-8603?: CVE-2024-8603 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2024-8603 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2024-8603?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-8603 have an EU (EUVD) identifier?: Yes. CVE-2024-8603 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-49645.
When was CVE-2024-8603 published?: CVE-2024-8603 was published on 2025-01-15 and last updated on 2026-06-17.

References

https://www.br-automation.com/fileadmin/SA25P001-c478fad6.pdf

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