How severe is CVE-2018-12634?

CVE-2018-12634 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-12634 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 58% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-12634?

CVE-2018-12634 affects Circontrol Circarlife Scada. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-12634?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2018-12634 published?

CVE-2018-12634 was published on 2018-06-22 and last updated on 2026-06-17.

CVE-2018-12634

CVE-2018-12634 is a critical-severity vulnerability in Circontrol Circarlife Scada with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 58% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-200.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 5.0
EPSS exploit prediction: 58% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Circontrol Circarlife Scada
Published: 2018-06-22
Last modified: 2026-06-17

Description

CirCarLife Scada before 4.3 allows remote attackers to obtain sensitive information via a direct request for the html/log or services/system/info.html URI.

Frequently asked questions

What is CVE-2018-12634?: CirCarLife Scada before 4.3 allows remote attackers to obtain sensitive information via a direct request for the html/log or services/system/info.html URI.
How severe is CVE-2018-12634?: CVE-2018-12634 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-12634 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 58% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-12634?: CVE-2018-12634 affects Circontrol Circarlife Scada. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-12634?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2018-12634 published?: CVE-2018-12634 was published on 2018-06-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:circontrol:circarlife_scada:*:*:*:*:*:*:*:*

More vulnerabilities in Circontrol Circarlife Scada

CVE-2018-16672 — Medium (CVSS 6.5): An issue was discovered in CIRCONTROL CirCarLife before 4.3. Due to the storage of multiple sensitive information…
CVE-2018-16671 — Medium (CVSS 5.3): An issue was discovered in CIRCONTROL CirCarLife before 4.3. There is system software information disclosure due to…
CVE-2018-16670 — Medium (CVSS 5.3): An issue was discovered in CIRCONTROL CirCarLife before 4.3. There is PLC status disclosure due to lack of…
CVE-2018-16668 — Medium (CVSS 5.3): An issue was discovered in CIRCONTROL CirCarLife before 4.3. There is internal installation path disclosure due to the…

All CVEs affecting Circontrol Circarlife Scada →

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