CVE-2019-17023 (GCVE-0-2019-17023)
Vulnerability from cvelistv5
Published
2020-01-08 21:30
Modified
2024-08-05 01:24
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- NSS may negotiate TLS 1.2 or below after a TLS 1.3 HelloRetryRequest had been sent
Summary
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.
References
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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