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Vulnerability Intelligence

CVE-2018-16670

MediumExploited

There is PLC status disclosure due to lack of authentication for /html/devstat.html.

Published Sep 18, 2018 · Updated Nov 21, 2024

Key Facts

Patch immediately
  • CVE-2018-16670 is a medium-severity vulnerability (CVSS 5.3 v3) affecting Circarlife Scada (Circontrol).
  • It is exploited in the wild, listed in Industry KEV feed since Jun 9, 2025. No public exploit code is known.
  • EPSS estimates a 25% probability of exploitation in the next 30 days.
  • Fixed versions are available, including Circarlife Scada 4.3.
  • Brandefense priority: patch immediately, because it is listed as exploited in the wild.

CVSS v3

5.3

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

EPSS (30-day exploit likelihood)

25%

Higher than 97.8% of all scored CVEs

Exploited in the wild

Yes

1 catalog listing

Public exploit code

None known

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Description

An issue was discovered in CIRCONTROL CirCarLife before 4.3. There is PLC status disclosure due to lack of authentication for /html/devstat.html.

Known-Exploited Catalog Listings

CatalogAddedRemediation dueRansomware use
Industry KEV feedJun 9, 2025n/aNot reported

Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Affected Products

1 affected entries in total
ProductAffected versionsFixed in
Circarlife ScadaCircontrolSee advisory4.3

Patched Releases

Circarlife Scada

4.3

Timeline

  1. Publicly disclosed

    Sep 18, 2018

  2. Last updated

    Nov 21, 2024

  3. Added to Industry KEV feed

    Jun 9, 2025

Weakness Type

  • CWE-287 Improper Authentication

References

FAQ

Common Questions.

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