CVE-2019-16265

highpriority · track · 40EPSS 0.016 · 76 %ileDEEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.64% (76th) EPSS

CVSS 7.5 · high

Is it mine?

5 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · pilz_psirt

EPSS · scored 2026-10-23

CODESYS V2.3 ENI server up to V3.2.2.24 has a Buffer Overflow.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

No fix is available; mitigate or reduce exposure.

No fix availablePMC programming tool 2.x.xpilz_psirt
No product-specific countermeasures available, please follow the general countermeasures or migrate your application to the CODESYS V3 runtime system.

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.5–9.8

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 6.4

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · Pilz PSIRT DE

v3.19criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-787USprimaryCWE-787US

affected products (5)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
codesys codesys2.3 → 2.3.9.61nvdUScpe:2.3:a:codesys:codesys:*:*:*:*:*:*:*:*
codesys eni server< 3.2.2.25nvdUScpe:2.3:a:codesys:eni_server:*:*:*:*:*:*:*:*
Pilz PMC programming tool 2.x.x≤ vers:all/*pilz_psirtDE
Pilz PMC programming tool 2.x.x vers:all/*≤ vers:all/*pilz_psirtDE

advisories (1)

Vendor and ecosystem advisories describing this.

VDE-2021-055Pilz: PMC programming tool 2.x.x affected by multiple vulnerabilities2022-04-26csaf · pilz_psirtDE
The software product PMC programming tool from Pilz is based on the software CODESYS Development System from CODESYS GmbH. This software is affected by several vulnerabilities, which an attacker can exploit locally or via the network. This means that, in a worst case, attackers could execute arbitrary program code on the PC on which the PMC programming tool is used.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd pilz_psirt NVD CVE.org MITRE

published 2019-10-25modified 2026-06-17

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+16028 more

references (7)

External citations — patches, advisories, analysis.

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