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Case File

CVE-2019-17023

MEDIUM · CVSS 6.5 EPSS 1.34%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2020-01-08 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 6.5. It affects Firefox.

CVE
CVE-2019-17023
Severity
MEDIUM
CVSS
6.5
EPSS
1.34%
Firefox

Original NVD Description

After a HelloRetryRequest has been sent, the client may negotiate a lower protocol that TLS 1.3, resulting in an invalid state transition in the TLS State Machine. If the client gets into this state, incoming Application Data records will be ignored. This vulnerability affects Firefox < 72.

Related CVEs

Other vulnerabilities affecting the same vendor(s)