CVE-2024-8603

highpriority · track · 0OT risk · elevatedEPSS 0.003 · 26 %ileCHEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.33% (26th) EPSS

CVSS 7.5 · high

Is it mine?

18 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · abb_psirt

EPSS · scored 2026-10-28

A “Use of a Broken or Risky Cryptographic Algorithm” vulnerability in the SSL/TLS component used in B&R Automation Runtime versions before 6.1 and B&R mapp View versions before 6.1 may be abused by unauthenticated network-based attackers to masquerade as services on impacted devices.

remediations

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

A vendor fix is available.

FixedAutomation Runtimeabb_psirt
The problem is corrected in the following product versions: B&R Automation Runtime version 6.1. B&R mapp View 6.1. B&R recommends that customers apply the update at their earliest convenience if B&R Automation Runtime or B&R mapp View is used to generate self-signed certificates on production machines.
Fixedmapp Viewabb_psirt
The problem is corrected in the following product versions: B&R Automation Runtime version 6.1. B&R mapp View 6.1. B&R recommends that customers apply the update at their earliest convenience if B&R Automation Runtime or B&R mapp View is used to generate self-signed certificates on production machines.
FixedB&R Automation Runtimecisa_csaf_ot
The problem is corrected in the following product versions: B&R Automation Runtime version 6.1 and B&R mapp View 6.1. B&R recommends that customers apply the update at their earliest convenience if B&R Automation Runtime or B&R mapp View is used to generate self-signed certificates on production machines.
FixedB&R mapp Viewcisa_csaf_ot
The problem is corrected in the following product versions: B&R Automation Runtime version 6.1 and B&R mapp View 6.1. B&R recommends that customers apply the update at their earliest convenience if B&R Automation Runtime or B&R mapp View is used to generate self-signed certificates on production machines.

cvss

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

8.2

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4.6–8.2

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:Nsecondary · cybersecurity@ch.abb.comexploitability 3.9 · impact 3.6

v3.17.5highAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:Nsecondary · FSTEC (BDU) RU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:P/RL:O/RC:Csecondary · ABB PSIRT

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:P/RL:O/RC:Csecondary · CISA US

v4.08.2highCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/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

v4.08.2highCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:Nsecondary · ENISA EU

v4.04.6mediumCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/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.

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-327USCWE-327USCWE-327USCWE-327US

affected products (18)

Products and version ranges known to be affected.

B&R Industrial Automation GmbH Automation Runtimeall versionsfixedabb_psirtCH
B&R Industrial Automation GmbH Automation Runtime< 6.1abb_psirtCH
B&R Industrial Automation GmbH mapp Viewall versionsfixedabb_psirtCH
B&R Industrial Automation GmbH mapp View< 6.1abb_psirtCH
B&R Automation Runtime 6.1all versionsfixedcisa_csaf_otUS
B&R Automation Runtime < 6.1all versionscisa_csaf_otUS
B&R mapp View 6.1all versionsfixedcisa_csaf_otUS
B&R mapp View < 6.1all versionscisa_csaf_otUS
B&R B&R Automation Runtimeall versionsfixedcisa_csaf_otUS
B&R B&R Automation Runtime< 6.1cisa_csaf_otUS
B&R B&R mapp Viewall versionsfixedcisa_csaf_otUS
B&R B&R mapp View< 6.1cisa_csaf_otUS
B&R Industrial Automation Automation Runtime≤ 4.0enisa_euvdEU
B&R Industrial Automation Automation Runtime6.0 → 6.1enisa_euvdEU
B&R Industrial Automation mapp View≤ 5.0enisa_euvdEU
B&R Industrial Automation mapp View6.0 → 6.1enisa_euvdEU
B&R Industrial Automation B&R Automation Runtime (AR)≤ 6.1fstec_bduRU
B&R Industrial Automation B&R mapp View≤ 6.1fstec_bduRU

advisories (2)

Vendor and ecosystem advisories describing this.

SA25P001Automation Runtime and mapp View Use of insecure algorithm for self-signed certificates2025-01-15csaf · abb_psirtCH
An update is available that resolves a privately reported vulnerability in the product versions listed as affected in this advisory. An attacker who successfully exploited this vulnerability may masquerade as services on affected devices.
ICSA-25-028-01B&R Automation Runtime2025-01-15icsa · cisa_csaf_otUS
An update is available that resolves a privately reported vulnerability in the product versions listed as affected in this advisory. An attacker who successfully exploited this vulnerability may masquerade as services on affected devices.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu abb_psirt cisa_csaf_ot NVD CVE.org MITRE

published 2025-01-15modified 2026-06-17

references (4)

External citations — patches, advisories, analysis.

scry

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