9.8

CVE-2023-3935: phoenixcontact activation_wizard Out-of-bounds Write

CVSS: 9.8v3.1CriticalModified
Published 13-09-2023Last modified 27-08-2025

Vulnerability summary

CVE-2023-3935 is a critical (CVSS 9.8) Out-of-bounds Write vulnerability in phoenixcontact activation_wizard. EPSS estimates a 1.97% chance of exploitation in the next 30 days, higher than 80.1% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
1.97%
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. 13-09-2023
    PublishedVulnerability first disclosed.
  2. 27-08-2025
    Last modifiedVulnerability information updated.

Description

A heap buffer overflow vulnerability in Wibu CodeMeter Runtime network service up to version 7.60b allows an unauthenticated, remote attacker to achieve RCE and gain full access of the host system.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

1.97%

Chance of exploitation in the next 30 days

Percentile

80%

Versus all other CVEs

30-day change

0.00 pp

From 1.97% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.97%

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

Trumpf17 products
Phoenixcontact6 products
Wibu1 product

3 vendors · 24 products

References

3 links