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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