9.1

CVE-2019-5160: wago pfc200_firmware

CVSS: 9.1v3.1CriticalModified
Published 10-03-2020Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2019-5160 is a critical (CVSS 9.1) vulnerability in wago pfc200_firmware. EPSS estimates a 2.67% chance of exploitation in the next 30 days, higher than 85.6% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.1/10
010
Critical · v3.1 (NVD)
EPSS score
2.67%
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 improper host validation vulnerability exists in the Cloud Connectivity functionality of WAGO PFC200 Firmware versions 03.02.02(14), 03.01.07(13), and 03.00.39(12). A specially crafted HTTPS POST request can cause the software to connect to an unauthorized host, resulting in unauthorized access to firmware update functionality. An attacker can send an authenticated HTTPS POST request to direct the Cloud Connectivity software to connect to an attacker controlled Azure IoT Hub node.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

2.67%

Chance of exploitation in the next 30 days

Percentile

86%

Versus all other CVEs

30-day change

0.00 pp

From 2.67% on 21-09-2026

21-09-202621-10-2026
EPSS score
2.67%

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

Wago2 products

1 vendor · 2 products

References

1 links