How severe is CVE-2019-9191?

CVE-2019-9191 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2019-9191 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-9191?

CVE-2019-9191 affects Etsi Enterprise Transport Security. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-9191?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-9191 published?

CVE-2019-9191 was published on 2019-02-26 and last updated on 2026-06-17.

CVE-2019-9191

CVE-2019-9191 is a medium-severity vulnerability in Etsi Enterprise Transport Security with a CVSS 3.x base score of 5.9. 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-310.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
CVSS v2: 4.3
EPSS exploit prediction: 2% (72nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-310
Affected product: Etsi Enterprise Transport Security
Published: 2019-02-26
Last modified: 2026-06-17

Description

The ETSI Enterprise Transport Security (ETS, formerly known as eTLS) protocol does not provide per-session forward secrecy.

Frequently asked questions

What is CVE-2019-9191?: The ETSI Enterprise Transport Security (ETS, formerly known as eTLS) protocol does not provide per-session forward secrecy.
How severe is CVE-2019-9191?: CVE-2019-9191 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2019-9191 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-9191?: CVE-2019-9191 affects Etsi Enterprise Transport Security. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-9191?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-9191 published?: CVE-2019-9191 was published on 2019-02-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:etsi:enterprise_transport_security:-:*:*:*:*:*:*:*

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