7.5

CVE-2021-34568: wago 750-8100_firmware

CVSS: 7.5v3.1HighModified
Published 09-11-2022Last modified 01-05-2025
Open JSON

Vulnerability summary

CVE-2021-34568 is a high (CVSS 7.5) vulnerability in wago 750-8100_firmware. EPSS estimates a 1.11% chance of exploitation in the next 30 days, higher than 65.5% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
1.11%
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. 09-11-2022
    PublishedVulnerability first disclosed.
  2. 01-05-2025
    Last modifiedVulnerability information updated.

Description

In WAGO I/O-Check Service in multiple products an unauthenticated remote attacker can send a specially crafted packet containing OS commands to provoke a denial of service.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

1.11%

Chance of exploitation in the next 30 days

Percentile

66%

Versus all other CVEs

30-day change

+0.02 pp

From 1.09% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.11%

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

Wago55 products

1 vendor · 55 products

References

1 links