9.8

CVE-2018-13990: phoenixcontact fl_switch_3004t-fx_firmware Improper Authentication

CVSS: 9.8v3.0CriticalModified
Published 06-05-2019Last modified 05-08-2024

Vulnerability summary

CVE-2018-13990 is a critical (CVSS 9.8) Improper Authentication vulnerability in phoenixcontact fl_switch_3004t-fx_firmware. EPSS estimates a 2.31% chance of exploitation in the next 30 days, higher than 83.1% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.0 (NVD)
EPSS score
2.31%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 06-05-2019
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

The WebUI of PHOENIX CONTACT FL SWITCH 3xxx, 4xxx, 48xx versions prior to 1.35 is vulnerable to brute-force attacks, because of Improper Restriction of Excessive Authentication Attempts.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

2.31%

Chance of exploitation in the next 30 days

Percentile

83%

Versus all other CVEs

30-day change

0.00 pp

From 2.31% on 18-09-2026

18-09-202618-10-2026
EPSS score
2.31%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

1 vendor · 29 products

References

2 links