CVE-2018-13990 describes a critical vulnerability in the WebUI of PHOENIX CONTACT FL SWITCH 3xxx, 4xxx, and 48xx versions prior to 1.35, stemming from improper restriction of excessive authentication attempts. This allows for brute-force attacks, enabling an unauthenticated attacker to remotely gain full control over the affected devices. With a CVSS score of 9.8 (CRITICAL), the vulnerability presents a high risk of complete compromise (Confidentiality, Integrity, and Availability). While there is no evidence of active exploitation (not in KEV) and no public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion with 10 mentions, indicating awareness among security researchers.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.35CPE matchmatch criteria | cpe:2.3:o:phoenixcontact:fl_switch_3005_firmware:*:*:*:*:*:*:*:* | ||
< 1.35CPE matchmatch criteria | cpe:2.3:o:phoenixcontact:fl_switch_3005t_firmware:*:*:*:*:*:*:*:* | ||
< 1.35CPE matchmatch criteria | cpe:2.3:o:phoenixcontact:fl_switch_3004t-fx_firmware:*:*:*:*:*:*:*:* | ||
< 1.35CPE matchmatch criteria | cpe:2.3:o:phoenixcontact:fl_switch_3004t-fx_st_firmware:*:*:*:*:*:*:*:* | ||
< 1.35CPE 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:L/A:L
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.
No media coverage found for this CVE.
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.