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CVE-2018-17902

20
FAUCET Score

CVE-2018-17902 affects Yokogawa STARDOM Controllers (FCJ, FCN-100, FCN-RTU, FCN-500) across all versions R4.10 and prior, stemming from multiple session management methods that can lead to a denial of service. This vulnerability has a CVSS score of 5.3 (Medium), indicating a network-based attack with low complexity that can result in a denial of service, but without impact to confidentiality or integrity. There is currently no evidence of active exploitation, no public exploit code available, and minimal community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= r4.10CPE matchmatch criteria
cpe:2.3:o:yokogawa:fcj_firmware:*:*:*:*:*:*:*:*
<= r4.10CPE matchmatch criteria
cpe:2.3:o:yokogawa:fcn-100_firmware:*:*:*:*:*:*:*:*
<= r4.10CPE matchmatch criteria
cpe:2.3:o:yokogawa:fcn-rtu_firmware:*:*:*:*:*:*:*:*
<= r4.10CPE matchmatch criteria
cpe:2.3:o:yokogawa:fcn-500_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.3MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.11%
Probability of exploitation in next 30 days
EPSS Percentile
62.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0111 is in the 40th percentile among its peer group of 23,725 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

ics-cert.us-cert.gov / advisories/ICSA-18-151-03
Third Party AdvisoryUS Government Resource
web-material3.yokogawa.com / YSAR-18-0007-E.pdf
Vendor Advisory