7.5

CVE-2019-5134: wago pfc100_firmware

CVSS: 7.5v3.1HighModified
Published 10-03-2020Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2019-5134 is a high (CVSS 7.5) vulnerability in wago pfc100_firmware. EPSS estimates a 2.25% chance of exploitation in the next 30 days, higher than 82.6% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
40/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
2.25%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 10-03-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

An exploitable regular expression without anchors vulnerability exists in the Web-Based Management (WBM) authentication functionality of WAGO PFC200 versions 03.00.39(12) and 03.01.07(13), and WAGO PFC100 version 03.00.39(12). A specially crafted authentication request can bypass regular expression filters, resulting in sensitive information disclosure.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

2.25%

Chance of exploitation in the next 30 days

Percentile

83%

Versus all other CVEs

30-day change

0.00 pp

From 2.25% on 20-09-2026

20-09-202620-10-2026
EPSS score
2.25%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (talosintelligence.com)

    Maturity: unknown

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Wago4 products

1 vendor · 4 products

References

1 links