Stack-based buffer overflow in BKFSim_vhfd.exe in Yokogawa CENTUM CS 1000, CENTUM CS 3000 R3.09.50 and earlier, CENTUM VP R5.03.20 and earli
Stack-based buffer overflow in BKFSim_vhfd.exe in Yokogawa CENTUM CS 1000, CENTUM CS 3000 R3.09.50 and earlier, CENTUM VP R5.03.20 and earlier, Exaopc R3.72.00 and earlier, B/M9000CS R5.05.01 and earlier, and B/M9000 VP R7.03.01 and earlier, when FCS/Test Function is enabled, allows remote attackers to execute arbitrary code via a crafted packet.
Noroxi analysis
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We use this product, ask for help- Published
- Jul 10, 2014
- Updated
- Jun 16, 2026
- EPSS
- 62.3% · 99th percentile
- CWE
- CWE-119
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Report tools
Action score
52
Plan
Add it to your regular patch cycle.
- CVSS
- 33 / 40 · 8.3 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 19 / 30 · 62.3%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| yokogawa | exaopc | cpe:2.3:a:yokogawa:exaopc |
| yokogawa | b\/m9000cs software | cpe:2.3:a:yokogawa:b\/m9000cs_software |
| yokogawa | b\/m9000cs | cpe:2.3:h:yokogawa:b\/m9000cs |
| yokogawa | centum vp entry class software | cpe:2.3:a:yokogawa:centum_vp_entry_class_software |
| yokogawa | centum vp entry class | cpe:2.3:h:yokogawa:centum_vp_entry_class |
| yokogawa | centum vp software | cpe:2.3:a:yokogawa:centum_vp_software |
| yokogawa | centum vp | cpe:2.3:h:yokogawa:centum_vp |
| yokogawa | b\/m9000 vp software | cpe:2.3:a:yokogawa:b\/m9000_vp_software |
| yokogawa | b\/m9000 vp | cpe:2.3:h:yokogawa:b\/m9000_vp |
| yokogawa | centum cs 3000 | cpe:2.3:a:yokogawa:centum_cs_3000 |
| yokogawa | centum cs 3000 software | cpe:2.3:a:yokogawa:centum_cs_3000_software |
| yokogawa | centum cs 1000 software | cpe:2.3:a:yokogawa:centum_cs_1000_software |
and 3 more
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- yokogawa b/m9000 vpall versions
- yokogawa b/m9000 vp softwareup to 7.03.01 inclusive
- yokogawa b/m9000csall versions
- yokogawa b/m9000cs softwareup to 5.05.01 inclusive
- yokogawa centum cs 1000all versions
- yokogawa centum cs 1000 softwareall versions
- yokogawa centum cs 3000all versions
- yokogawa centum cs 3000 entry classall versions
- yokogawa centum cs 3000 entry class softwareup to 3.09.50 inclusive
- yokogawa centum cs 3000 softwareup to 2.23.00 inclusive
- yokogawa centum vpall versions
- yokogawa centum vp entry classall versions
- yokogawa centum vp entry class softwareup to 5.03.00 inclusive
- yokogawa centum vp softwareup to 5.03.20 inclusive
- yokogawa centum vp software4.03.00
- yokogawa exaopcup to 3.72.00 inclusive
- yokogawa exaopc3.71.02
Same product
yokogawa: all recordsOther highest-scoring records for the same primary product.
- CVE-2014-5208BKBCopyD.exe in the Batch Management Packages in Yokogawa CENTUM CS 3000 through R3.09.50 and CENTUM VP through R4.03.00 and R5.x through R537Monitor
- CVE-2019-6008An unquoted search path vulnerability in Multiple Yokogawa products for Windows (Exaopc (R1.01.00 ? R3.77.00), Exaplog (R1.10.00 ? R3.40.00)31Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
Weaponized
A ready exploit tool or active in-the-wild use is known for this vulnerability. This should be your top priority.
Evidence
- Metasploit module ×1
- Exploit-DB entry ×1
Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.
| Source | Kind | Date |
|---|---|---|
| Exploit-DB entry | remote | 2014-07-08 |
| Metasploit module | exploit/windows/scada/yokogawa_bkfsim_vhfdYokogawa CS3000 BKFSim_vhfd.exe Buffer Overflowexploit | 2014-05-23 |
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
- Metasploit-48 d
- First PoC-2 d
- Published
- TodaySep 30, 2026+4466 d
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
If successful
- Confidentiality
- P · data can be read
- Integrity
- P · data or configuration can be modified
- Availability
- C · the service can be disrupted
- Attack complexity
- M
- Confidentiality impact
- P
- Integrity impact
- P
- Availability impact
- C
Weakness class (CWE)
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory BufferCVSS vector
AV:N/AC:M/Au:N/C:P/I:P/A:C
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
- Buffer Overflow via Environment VariablesCAPEC-10likelihood: High · High
- Overflow BuffersCAPEC-100likelihood: High · Very High
- Buffer ManipulationCAPEC-123likelihood: High · Very High
- Client-side Injection-induced Buffer OverflowCAPEC-14likelihood: Medium · High
- Filter Failure through Buffer OverflowCAPEC-24likelihood: High · High
- MIME ConversionCAPEC-42likelihood: High · High
- Overflow Binary Resource FileCAPEC-44likelihood: High · Very High
- Buffer Overflow via Symbolic LinksCAPEC-45likelihood: High · High
ATT&CK techniques
—
Change log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
- ics-cert.us-cert.gov/advisories/ICSA-14-189-01
- osvdb.org/show/osvdb/108756
- www.exploit-db.com/exploits/34009
- www.yokogawa.com/dcs/security/ysar/YSAR-14-0002E.pdf
Vendor advisories and official records. Exploit/PoC links are deliberately left out.