How severe is CVE-2023-3935?

CVE-2023-3935 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-3935 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-3935?

CVE-2023-3935 primarily affects Wibu Codemeter Runtime. In total, 25 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-3935?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2023-3935 published?

CVE-2023-3935 was published on 2023-09-13 and last updated on 2026-06-17.

CVE-2023-3935

CVE-2023-3935 is a critical-severity vulnerability in Wibu Codemeter Runtime with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 2% (71st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Wibu Codemeter Runtime
Published: 2023-09-13
Last modified: 2026-06-17

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.

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.
How severe is CVE-2023-3935?: CVE-2023-3935 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-3935 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-3935?: CVE-2023-3935 primarily affects Wibu Codemeter Runtime. In total, 25 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-3935?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-3935 published?: CVE-2023-3935 was published on 2023-09-13 and last updated on 2026-06-17.

References

Affected products (25)

cpe:2.3:a:wibu:codemeter_runtime:*:*:*:*:*:*:*:*
cpe:2.3:a:trumpf:oseon:*:*:*:*:*:*:*:*
cpe:2.3:a:trumpf:programmingtube:*:*:*:*:*:*:*:*
cpe:2.3:a:trumpf:teczonebend:*:*:*:*:*:*:*:*
cpe:2.3:a:trumpf:tops_unfold:05.03.00.00:*:*:*:*:*:*:*
cpe:2.3:a:trumpf:topscalculation:*:*:*:*:*:*:*:*
cpe:2.3:a:trumpf:trumpflicenseexpert:*:*:*:*:*:*:*:*
cpe:2.3:a:trumpf:trutops:*:*:*:*:*:*:*:*
cpe:2.3:a:trumpf:trutops_cell_classic:*:*:*:*:*:*:*:*
cpe:2.3:a:trumpf:trutops_cell_sw48:*:*:*:*:*:*:*:*
cpe:2.3:a:trumpf:trutops_mark_3d:*:*:*:*:*:*:*:*
cpe:2.3:a:trumpf:trutopsboost:*:*:*:*:*:*:*:*
cpe:2.3:a:trumpf:trutopsfab:*:*:*:*:*:*:*:*
cpe:2.3:a:trumpf:trutopsfab_storage_smallstore:*:*:*:*:*:*:*:*
cpe:2.3:a:trumpf:trutopsprint:*:*:*:*:*:*:*:*
cpe:2.3:a:trumpf:trutopsprintmultilaserassistant:*:*:*:*:*:*:*:*
cpe:2.3:a:trumpf:trutopsweld:*:*:*:*:*:*:*:*
cpe:2.3:a:trumpf:tubedesign:*:*:*:*:*:*:*:*
cpe:2.3:a:phoenixcontact:activation_wizard:*:*:*:*:*:moryx:*:*
cpe:2.3:a:phoenixcontact:e-mobility_charging_suite:*:*:*:*:*:*:*:*
cpe:2.3:a:phoenixcontact:fl_network_manager:*:*:*:*:*:*:*:*
cpe:2.3:a:phoenixcontact:iol-conf:*:*:*:*:*:*:*:*
cpe:2.3:a:phoenixcontact:module_type_package_designer:*:*:*:*:*:*:*:*
cpe:2.3:a:phoenixcontact:module_type_package_designer:1.2.0:beta:*:*:*:*:*:*
cpe:2.3:a:phoenixcontact:plcnext_engineer:*:*:*:*:*:*:*:*

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