CVE-2024-12429

mediumpriority · track · 0EPSS 0.003 · 28 %ileCHDEEU

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.35% (28th) EPSS

CVSS 4.3 · medium

Is it mine?

5 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · abb_psirt · cert_bund

EPSS · scored 2026-10-27

An attacker who successfully exploited these vulnerabilities could grant read access to files. A vulnerability exists in the AC500 V3 version mentioned. A successfully authenticated attacker can use this vulnerability to read system wide files and configuration All AC500 V3 products (PM5xxx) with firmware version earlier than 3.8.0 are affected by this vulnerability.

remediations

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

A vendor fix is available.

FixedAC500 V3abb_psirt
The problem is corrected in AC500 V3 firmware version 3.8.0. ABB recommends that customers apply the update at earliest convenience. This firmware version is released for all AC500 V3 PLC types and available from Automation Builder 2.8.0.

cvss

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

5.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 1.7–5.1

v3.14.3mediumCVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:Nsecondary · cybersecurity@ch.abb.comexploitability 0.7 · impact 3.6

v3.14.3mediumCVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:Nsecondary · ABB PSIRT

v4.05.1mediumCVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:Nsecondary · ENISA EU

v4.05.1mediumCVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · cybersecurity@ch.abb.com

v4.01.7lowCVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-22USCWE-22US

affected products (5)

Products and version ranges known to be affected.

ABB AC500 V3all versionsfixedabb_psirtCH
ABB AC500 V3< 3.8.0abb_psirtCH
ABB AC-500 V3 <3.8.0all versionscert_bundDE
ABB AC-500≤ V3 <3.8.0cert_bundDE
ABB AC500 V30 → 3.8.0enisa_euvdEU

advisories (2)

Vendor and ecosystem advisories describing this.

3ADR011377AC500 V3 Multiple vulnerabilities2025-01-07csaf · abb_psirtCH
An update is available that resolves a publicly reported vulnerability in the product versions listed as affected in the advisory. An attacker who successfully exploited these vulnerabilities could call shell functions (CVE-2023-6357), crash the PLC (CVE-2024-5000), crash the web server of the PLC (CVE-2024-8175), grant read access to files (CVE-2024-12429) or enable command execution (CVE-2024-12430). The vulnerabilities CVE-2023-6357, CVE-2024-12429 and CVE-2024-12430 require successful authentication.
WID-SEC-W-2025-0023ABB AC-500: Mehrere SchwachstellenDeutsch2025-01-07csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in ABB AC-500 ausnutzen, um Informationen offenzulegen oder seine Rechte zu erweitern.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd abb_psirt cert_bund NVD CVE.org MITRE

published 2025-01-07modified 2026-06-17

references (5)

External citations — patches, advisories, analysis.

scry

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