How severe is CVE-2018-17902?

CVE-2018-17902 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2018-17902 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-17902?

CVE-2018-17902 primarily affects Yokogawa Fcj Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-17902?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-17902 published?

CVE-2018-17902 was published on 2018-10-12 and last updated on 2026-06-17.

CVE-2018-17902

CVE-2018-17902 is a medium-severity vulnerability in Yokogawa Fcj Firmware with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-384.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-384
Affected product: Yokogawa Fcj Firmware
Published: 2018-10-12
Last modified: 2026-06-17

Description

Yokogawa STARDOM Controllers FCJ, FCN-100, FCN-RTU, FCN-500, All versions R4.10 and prior, The application utilizes multiple methods of session management which could result in a denial of service to the remote management functions.

Frequently asked questions

What is CVE-2018-17902?: Yokogawa STARDOM Controllers FCJ, FCN-100, FCN-RTU, FCN-500, All versions R4.10 and prior, The application utilizes multiple methods of session management which could result in a denial of service to the remote management functions.
How severe is CVE-2018-17902?: CVE-2018-17902 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2018-17902 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-17902?: CVE-2018-17902 primarily affects Yokogawa Fcj Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-17902?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-17902 published?: CVE-2018-17902 was published on 2018-10-12 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:o:yokogawa:fcj_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:yokogawa:fcn-100_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:yokogawa:fcn-rtu_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:yokogawa:fcn-500_firmware:*:*:*:*:*:*:*:*

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