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.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 21.5%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 21.55% probability · 98th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-287
- Affected
- lg/supersign cms
- Source
- cve@mitre.org
EPSS moved from 15.4% on 21 September 2026 to 21.5% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
References
- http://mamaquieroserpentester.blogspot.com/2018/09/multiple-vulnerabilities-in-lg.htmlExploit, Third Party Advisory
- http://mamaquieroserpentester.blogspot.com/2018/09/multiple-vulnerabilities-in-lg.htmlExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.