CVE-2017-7789

MEDIUM · CVSS 5.3 EPSS 1.78%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2018-06-11 · Last synced 2026-08-04

Field Assessment

AI analysis pending.

CVE

CVE-2017-7789

Severity

MEDIUM

CVSS

5.3

EPSS

1.78%

Firefox

Original Filing — NVD Description

If a server sends two Strict-Transport-Security (STS) headers for a single connection, they will be rejected as invalid and HTTP Strict Transport Security (HSTS) will not be enabled for the connection. This vulnerability affects Firefox < 55.