9.8

CVE-2018-5459: wago pfc200_firmware Improper Authentication

CVSS: 9.8v3.0CriticalModified
Published 13-02-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-5459 is a critical (CVSS 9.8) Improper Authentication vulnerability in wago pfc200_firmware. EPSS estimates a 2.68% chance of exploitation in the next 30 days, higher than 85.5% 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
2.68%
0%100%
Low · +0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 13-02-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

An Improper Authentication issue was discovered in WAGO PFC200 Series 3S CoDeSys Runtime versions 2.3.X and 2.4.X. An attacker can execute different unauthenticated remote operations because of the CoDeSys Runtime application, which is available via network by default on Port 2455. An attacker could execute some unauthenticated commands such as reading, writing, or deleting arbitrary files, or manipulate the PLC application during runtime by sending specially-crafted TCP packets to Port 2455.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

2.68%

Chance of exploitation in the next 30 days

Percentile

86%

Versus all other CVEs

30-day change

+0.02 pp

From 2.65% on 20-09-2026

20-09-202620-10-2026
EPSS score
2.68%

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

Wago1 product

1 vendor · 1 product

References

1 links