GnuTLS 3.6.x before 3.6.14 uses incorrect cryptography for encrypting a session ticket (a loss of confidentiality in TLS 1.2, and an authentication bypass in TLS 1.3). The earliest affected version is 3.6.4 (2018-09-24) because of an error in a 2018-09-18 commit. Until the first key rotation, the TLS server always uses wrong data in place of an encryption key derived from an application.
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History
Wed, 14 Oct 2026 10:30:00 +0000
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Status: PUBLISHED
Assigner: mitre
Published: 2020-06-04T07:01:07.000Z
Updated: 2026-10-14T09:23:40.445Z
Reserved: 2020-06-03T00:00:00.000Z
Link: CVE-2020-13777
No data.
Status : Modified
Published: 2020-06-04T07:15:10.000
Modified: 2026-10-14T10:17:29.130
Link: CVE-2020-13777