HOMEVULNERABILITIESCVE-2020-5609
CRITICAL

CVE-2020-5609

CWE-22Published: August 5, 2020· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

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.

NVD Source

Technical Analysis

CVE-2020-5609 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

yokogawa8 product(s)
centum cs 3000 firmwarecentum cs 3000centum vp firmwarecentum vpb\/m9000cs firmwareb\/m9000csb\/m9000vp firmwareb\/m9000vp
Source: NVD CPE · 8 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://jvn.jp/vu/JVNVU97997181/index.html
ADVISORYhttps://web-material3.yokogawa.com/1/29820/files/YSAR-20-0001-E.pdf
ADVISORYhttps://jvn.jp/vu/JVNVU97997181/index.html
ADVISORYhttps://web-material3.yokogawa.com/1/29820/files/YSAR-20-0001-E.pdf

All References (4)

→
https://jvn.jp/vu/JVNVU97997181/index.htmlThird Party Advisory
→
https://web-material3.yokogawa.com/1/29820/files/YSAR-20-0001-E.pdfVendor Advisory
→
https://jvn.jp/vu/JVNVU97997181/index.htmlThird Party Advisory
→
https://web-material3.yokogawa.com/1/29820/files/YSAR-20-0001-E.pdfVendor Advisory

Quick Facts

CVE IDCVE-2020-5609
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-22
CISA KEVNo
Affected1 vendor(s)
PublishedAug 5, 2020

Related CVEs (CWE-22)

CVE-2011-5127
10.0
CVE-2015-0779
10.0
CVE-2026-48282
KEV10.0
CVE-2026-34909
KEV10.0
CVE-2011-2653
10.0
CVE-2010-5324
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2020-5609 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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