CVE-2017-7789 describes a vulnerability in Firefox versions prior to 55 where sending two Strict-Transport-Security (STS) headers for a single connection causes them to be rejected, preventing HTTP Strict Transport Security (HSTS) from being enabled. This medium-severity vulnerability (CVSS 5.3) has a network attack vector and low attack complexity, potentially leading to a loss of integrity (I:L) by bypassing HSTS protections. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 55.0CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* | ||
< 55CPE match | cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.