7.5

CVE-2021-33486: codesys runtime_toolkit

CVSS: 7.5v3.1HighModified
Published 03-08-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-33486 is a high (CVSS 7.5) vulnerability in codesys runtime_toolkit. EPSS estimates a 0.96% chance of exploitation in the next 30 days, higher than 61.1% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
0.96%
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. 03-08-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

All versions of the CODESYS V3 Runtime Toolkit for VxWorks from version V3.5.8.0 and before version V3.5.17.10 have Improper Handling of Exceptional Conditions.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

0.96%

Chance of exploitation in the next 30 days

Percentile

61%

Versus all other CVEs

30-day change

0.00 pp

From 0.96% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.96%

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

Codesys1 product

1 vendor · 1 product

References

1 links