CVE-2016-4423 describes a denial-of-service vulnerability in Symfony versions prior to 2.3.41, 2.7.13, 2.8.6, and 3.0.6, affecting Debian Linux and Symfony products. An attacker can exploit this by sending a series of authentication attempts with long, non-existent usernames, causing excessive session storage consumption. This vulnerability has a CVSS score of 7.5 (High), indicating a network-based attack with low complexity and a high impact on availability. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 2.3.40CPE matchmatch criteria | cpe:2.3:a:sensiolabs:symfony:*:*:*:*:*:*:*:* | ||
2.7.0CPE matchmatch criteria | cpe:2.3:a:sensiolabs:symfony:2.7.0:*:*:*:*:*:*:* | ||
2.7.1CPE matchmatch criteria | cpe:2.3:a:sensiolabs:symfony:2.7.1:*:*:*:*:*:*:* | ||
2.7.2CPE matchmatch criteria | cpe:2.3:a:sensiolabs:symfony:2.7.2:*:*:*:*:*:*:* | ||
2.7.3CPE matchmatch criteria | cpe:2.3:a:sensiolabs:symfony:2.7.3:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.