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HIGH

CVE-2019-18817

CVSS v3

7.5

HIGH

EPSS Score

1.2 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

Istio 1.3.x before 1.3.5 allows Denial of Service because continue_on_listener_filters_timeout is set to True, a related issue to CVE-2019-18836.

Technical details

Published
2019-11-12

Frequently asked questions

What is CVE-2019-18817?

Istio 1.3.x before 1.3.5 allows Denial of Service because continue_on_listener_filters_timeout is set to True, a related issue to CVE-2019-18836.

Is CVE-2019-18817 actively exploited?

Active exploitation of CVE-2019-18817 has not been confirmed. Its EPSS score was 1.2% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-18817?

CVE-2019-18817 has a CVSS v3 base score of 7.5 (HIGH severity).

Is CVE-2019-18817 affecting your environment?

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