9.8

CVE-2021-30192: codesys v2_web_server

CVSS: 9.8v3.1CriticalAnalyzed
Published 25-05-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-30192 is a critical (CVSS 9.8) vulnerability in codesys v2_web_server. EPSS estimates a 1.12% chance of exploitation in the next 30 days, higher than 65.6% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
1.12%
0%100%
Low · -0.03 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 25-05-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

CODESYS V2 Web-Server before 1.1.9.20 has an Improperly Implemented Security Check.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.12%

Chance of exploitation in the next 30 days

Percentile

66%

Versus all other CVEs

30-day change

-0.03 pp

From 1.15% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.12%

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

No weakness data has been published for this record.

Affected systems

Wago27 products
Codesys1 product

2 vendors · 28 products

References

2 links