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No exploitation reportedFix available

CVE-2023-3935

No exploitation reported by the sources we read.

  • Published2023-09-13
  • Fixed in1.2.0
  • WeaknessCWE-787

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2023-09-1314:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2023-3935?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2023-3935?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Phoenixcontact module type package designer
BranchAffectedFixed in
1.2< 1.2.01.2.0
1.2= 1.2.0no fix published
Phoenixcontact activation wizard
BranchAffectedFixed in
1.6≤ 1.6no fix published
Phoenixcontact e-mobility charging suite
BranchAffectedFixed in
1.7≤ 1.7.0no fix published

21 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

  • ICSA-25-182-02 CISA8 known affected

    FESTO Automation Suite, FluidDraw, and Festo Didactic Products

    FESTO Festo Automation Suite <= 2.6.0.481 · FESTO FluidDraw P6 <= 6.2k · FESTO FluidDraw 365 <= 7.0a · +5 more

  • ICSA-23-257-06 CISA14 known affected

    Siemans WIBU Systems CodeMeter

    PSS(R)CAPE V14 · PSS(R)CAPE V15 · PSS(R)E V34 · +11 more

Full record on NVD

Fix

  1. Update Phoenixcontact module type package designer to 1.2.0
  2. Vendor fix CISA ICSA-25-182-02 · 5 productsUpdate CodeMeter Runtime to version >= 7.60c The latest version of CodeMeter Runtime can be downloaded from WIBU System's web site.
  3. Vendor fix CISA ICSA-25-182-02 · 1 productPlanned Fix in Summer Release 2024
  4. Vendor fix CISA ICSA-25-182-02 · 2 productsUpdate to the latest version.
  5. Vendor fix CISA ICSA-23-257-06 · 1 productUpdate to V1.0 SP2 Update 2 or later version
  6. Vendor fix CISA ICSA-23-257-06 · 1 productUpdate to V11.2 or later version
  7. Vendor fix CISA ICSA-23-257-06 · 1 productUpdate to V13.1.12.1 or later version

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub

Sources

  • CISA-ADPSSVC decisionnone2025-02-26
  • OpenCVESSVC decisionnone—
  • CNACVSS 3.19.8read 2026-10-23
  • NVDCVSS 3.19.8read 2026-10-23
  • CNAweakness (CWE)CWE-787read 2026-10-23
  • NVDweakness (CWE)CWE-787read 2026-10-23
  • FIRST EPSSEPSS score2.0 %2026-10-22

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2023-09-13
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2023-3935?

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.

Is CVE-2023-3935 actively exploited?

Active exploitation of CVE-2023-3935 has not been confirmed. Its EPSS score was 2.0% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-3935?

CVE-2023-3935 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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