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Fencer Intel
critical 9.8

CVE-2020-5609 json

Directory traversal vulnerability in CAMS for HIS CENTUM CS 3000 (includes CENTUM CS 3000 Small) R3.08.10 to R3.09.50, CENTUM VP (includes…

published 6y ago modified 4mo ago also EUVD-2020-26770

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.1%
EPSS 2.1% chance of exploitation in 30 days, percentile 81%
public exploits
0
none known

Summary

Directory traversal vulnerability in CAMS for HIS CENTUM CS 3000 (includes CENTUM CS 3000 Small) R3.08.10 to R3.09.50, CENTUM VP (includes CENTUM VP Small, Basic) R4.01.00 to R6.07.00, B/M9000CS R5.04.01 to R5.05.01, and B/M9000 VP R6.01.01 to R8.03.01 allows a remote unauthenticated attacker to create or overwrite arbitrary files and run arbitrary commands via unspecified vectors.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-20-224-01 updated cvss 8.1

Yokogawa CENTUM (Update A)

  • Yokogawa B/M9000 VP >= R6.01.01, <= R8.03.01 Yokogawa B/M9000CS >= R5.04.01, <= R5.05.01 Yokogawa CENTUM CS 3000 >= R3.08.10, <= R3.09.50 (Including CENTUM CS 3000 Entry Class) Yokogawa CENTUM VP >= R4.01.00, <= R6.07.00 (Including CENTUM VP Entry Class) Yokogawa Exaopc >= R3.72.00, <= R3.78.00
    affected: vendor fix, mitigation “Exaopc R3.72.00 - R3.78.00: Update to R3.78.10 or later.” contact.yokogawa.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Exploit prediction

2.07% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • Yokogawa Electric Corporation CAMS for HIS

Classification

Weakness
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.