CVE-2017-16743 is an Improper Authorization vulnerability affecting PHOENIX CONTACT FL SWITCH 3xxx, 4xxx, and 48xxx Series products running firmware versions 1.0 to 1.32. This critical vulnerability, rated 9.8 CVSS, allows a remote, unauthenticated attacker to bypass web-service authentication through specially crafted HTTP requests, gaining administrative privileges. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), it has received some community discussion and media coverage, indicating awareness of its potential impact.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 1.0, <= 1.32CPE matchmatch criteria | cpe:2.3:o:phoenixcontact:fl_switch_3005_firmware:*:*:*:*:*:*:*:* | ||
>= 1.0, <= 1.32CPE matchmatch criteria | cpe:2.3:o:phoenixcontact:fl_switch_3005t_firmware:*:*:*:*:*:*:*:* | ||
>= 1.0, <= 1.32CPE matchmatch criteria | cpe:2.3:o:phoenixcontact:fl_switch_3004t-fx_firmware:*:*:*:*:*:*:*:* | ||
>= 1.0, <= 1.32CPE matchmatch criteria | cpe:2.3:o:phoenixcontact:fl_switch_3004t-fx_st_firmware:*:*:*:*:*:*:*:* | ||
>= 1.0, <= 1.32CPE matchmatch criteria | cpe:2.3:o:phoenixcontact:fl_switch_3008_firmware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.