How severe is CVE-2019-6674?

CVE-2019-6674 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 none, and availability high.

Is CVE-2019-6674 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-6674?

CVE-2019-6674 affects F5 Ssl Orchestrator. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-6674?

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.

When was CVE-2019-6674 published?

CVE-2019-6674 was published on 2019-11-27 and last updated on 2026-06-17.

CVE-2019-6674

CVE-2019-6674 is a high-severity vulnerability in F5 Ssl Orchestrator 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.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: F5 Ssl Orchestrator
Published: 2019-11-27
Last modified: 2026-06-17

Description

On F5 SSL Orchestrator 15.0.0-15.0.1 and 14.0.0-14.1.2, TMM may crash when processing SSLO data in a service-chaining configuration.

Frequently asked questions

What is CVE-2019-6674?: On F5 SSL Orchestrator 15.0.0-15.0.1 and 14.0.0-14.1.2, TMM may crash when processing SSLO data in a service-chaining configuration.
How severe is CVE-2019-6674?: CVE-2019-6674 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 none, and availability high.
Is CVE-2019-6674 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-6674?: CVE-2019-6674 affects F5 Ssl Orchestrator. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-6674?: 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.
When was CVE-2019-6674 published?: CVE-2019-6674 was published on 2019-11-27 and last updated on 2026-06-17.

References

https://support.f5.com/csp/article/K21135478

Affected products (1)

cpe:2.3:a:f5:ssl_orchestrator:*:*:*:*:*:*:*:*

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