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CRITICAL

CVE-2018-16286

CVSS v3

9.8

CRITICAL

EPSS Score

21.5 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

LG SuperSign CMS allows authentication bypass because the CAPTCHA requirement is skipped if a captcha:pass cookie is sent, and because the PIN is limited to four digits.

Technical details

Published
2018-09-14

Frequently asked questions

What is CVE-2018-16286?

LG SuperSign CMS allows authentication bypass because the CAPTCHA requirement is skipped if a captcha:pass cookie is sent, and because the PIN is limited to four digits.

Is CVE-2018-16286 actively exploited?

Active exploitation of CVE-2018-16286 has not been confirmed. Its EPSS score was 21.5% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-16286?

CVE-2018-16286 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2018-16286 affecting your environment?

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