CVE-2018-16286: lg supersign_cms Improper Authentication
CVSS: 9.8v3.0CriticalModified
Published 14-09-2018Last modified 05-08-2024
Vulnerability summary
CVE-2018-16286 is a critical (CVSS 9.8) Improper Authentication vulnerability in lg supersign_cms. EPSS estimates a 21.55% chance of exploitation in the next 30 days, higher than 97.6% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
9.8/10
010
Critical · v3.0 (NVD)EPSS score
21.55%
0%100%
High · +6.10 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 14-09-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
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 metrics
2 scores · 1 source · 2 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:N/A:NSourcesSingle source
EPSS trend
Probability
21.55%
Chance of exploitation in the next 30 days
Percentile
98%
Versus all other CVEs
30-day change
+6.10 pp
From 15.44% on 21-09-2026
21-09-202621-10-2026
EPSS score21.55%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (mamaquieroserpentester.blogspot.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Lg1 product
1 vendor · 1 product
References
1 links- mamaquieroserpentester.blogspot.com/2018/09/multiple-vulnerabilities-in-lg.htmlX Refsource MISCExploitThird Party Advisory