CVE-2018-8838
mediumpriority · track · 26EPSS 0.003 · 21 %ileEURUUSEPSS · scored 2026-10-27
A weakness in access controls in CENTUM CS 1000 all versions, CENTUM CS 3000 versions R3.09.50 and earlier, CENTUM CS 3000 Small versions R3.09.50 and earlier, CENTUM VP versions R6.03.10 and earlier, CENTUM VP Small versions R6.03.10 and earlier, CENTUM VP Basic versions R6.03.10 and earlier, Exaopc versions R3.75.00 and earlier, B/M9000 CS all versions, and B/M9000 VP versions R8.01.01 and earlier may allow a local attacker to exploit the message management function of the system. A CVSS v3 base score of 6.5 has been calculated; the CVSS vector string is (AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:H).
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
A vendor fix is available.
- FixedB/M9000 CScisa_csaf_ot
B/M9000 VP - The vulnerability does not exist in this product however, the existence of affected software on the same PC may affect alarms for this device.
- FixedB/M9000 VPcisa_csaf_ot
B/M9000 VP - The vulnerability does not exist in this product however, the existence of affected software on the same PC may affect alarms for this device.
- FixedCENTUM CS 1000cisa_csaf_ot
B/M9000 VP - The vulnerability does not exist in this product however, the existence of affected software on the same PC may affect alarms for this device.
- FixedCENTUM CS 3000cisa_csaf_ot
B/M9000 VP - The vulnerability does not exist in this product however, the existence of affected software on the same PC may affect alarms for this device.
- FixedCENTUM VPcisa_csaf_ot
B/M9000 VP - The vulnerability does not exist in this product however, the existence of affected software on the same PC may affect alarms for this device.
- FixedCENTUM VP Basiccisa_csaf_ot
B/M9000 VP - The vulnerability does not exist in this product however, the existence of affected software on the same PC may affect alarms for this device.
- FixedCENTUM VP Smallcisa_csaf_ot
B/M9000 VP - The vulnerability does not exist in this product however, the existence of affected software on the same PC may affect alarms for this device.
- FixedExaopccisa_csaf_ot
B/M9000 VP - The vulnerability does not exist in this product however, the existence of affected software on the same PC may affect alarms for this device.
- MitigationB/M9000 CScisa_csaf_ot
B/M9000CS - The vulnerability does not exist in this product however, the existence of affected software on the same PC may affect alarms for this device.
- MitigationB/M9000 VPcisa_csaf_ot
B/M9000CS - The vulnerability does not exist in this product however, the existence of affected software on the same PC may affect alarms for this device.
- MitigationCENTUM CS 1000cisa_csaf_ot
B/M9000CS - The vulnerability does not exist in this product however, the existence of affected software on the same PC may affect alarms for this device.
- MitigationCENTUM CS 3000cisa_csaf_ot
B/M9000CS - The vulnerability does not exist in this product however, the existence of affected software on the same PC may affect alarms for this device.
- MitigationCENTUM VPcisa_csaf_ot
B/M9000CS - The vulnerability does not exist in this product however, the existence of affected software on the same PC may affect alarms for this device.
- MitigationCENTUM VP Basiccisa_csaf_ot
B/M9000CS - The vulnerability does not exist in this product however, the existence of affected software on the same PC may affect alarms for this device.
- MitigationCENTUM VP Smallcisa_csaf_ot
B/M9000CS - The vulnerability does not exist in this product however, the existence of affected software on the same PC may affect alarms for this device.
- MitigationExaopccisa_csaf_ot
B/M9000CS - The vulnerability does not exist in this product however, the existence of affected software on the same PC may affect alarms for this device.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4.4–7
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (24)
Products and version ranges known to be affected.
- ICS-CERT Yokogawa CENTUM and Exaopc≤ CENTUM series CENTUM CS 1000 all versions CENTUM CS 3000 versions R3.09.50 and prior CENTUM CS 3000 Small versions R3.09.50 and prior CENTUM VP versions R6.03.10 and prior CENTUM VP Small versions R6.03.10 and prior CENTUM VP Basic versions R6.03.10 and prior Exaopc versions R3.75.00 and prior B/M9000 CS all versions and B/M9000 VP versions R8.01.01 and prior.enisa_euvdEU
advisories (1)
Vendor and ecosystem advisories describing this.
- ICSA-18-102-01Yokogawa CENTUM and Exaopc2018-04-12icsa · cisa_csaf_otUS
Successful exploitation of this vulnerability could allow a local attacker to generate false system or process alarms, or block system or process alarm displays.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (4)
External citations — patches, advisories, analysis.
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