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prionPRIOn knowledge basePRION:CVE-2019-17023
HistoryJan 08, 2020 - 10:15 p.m.

Design/Logic Flaw

2020-01-0822:15:00
PRIOn knowledge base
www.prio-n.com
7

6.9 Medium

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

59.8%

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.