CRITICAL
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
Published Sep 14, 2018
9.8
CRITICALCVSS 3.0
EPSS 21.55%
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.
Affected products
No data.
- n/a
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
9.8 CRITICAL NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:P/I:N/A:N
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
21.55% 0.21545
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.21545
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v5
Table of values (21 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 21.55% (0.21545) | 97.55th | v5 (v2026.06.15) |
| Sep 22, 2026 | 21.55% (0.21545) | 97.51th | v5 (v2026.06.15) |
| Sep 21, 2026 | 15.44% (0.15444) | 96.69th | v5 (v2026.06.15) |
| Sep 6, 2026 | 21.55% (0.21545) | 97.45th | v5 (v2026.06.15) |
| Sep 5, 2026 | 15.44% (0.15444) | 96.62th | v5 (v2026.06.15) |
| Aug 30, 2026 | 21.55% (0.21545) | 97.44th | v5 (v2026.06.15) |
| Aug 28, 2026 | 15.44% (0.15444) | 96.60th | v5 (v2026.06.15) |
| Aug 24, 2026 | 21.55% (0.21545) | 97.43th | v5 (v2026.06.15) |
| Aug 23, 2026 | 15.44% (0.15444) | 96.59th | v5 (v2026.06.15) |
| Jun 15, 2026 | 21.55% (0.21545) | 97.30th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.66% (0.00659) | 79.83th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.66% (0.00659) | 78.92th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.66% (0.00659) | 76.42th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.89% (0.00885) | 26.24th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00885) | 24.24th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.42% (0.00416) | 10.04th | v1 |
| Jan 6, 2022 | 0.42% (0.00416) | 9.79th | v1 |
| Sep 1, 2021 | 0.42% (0.00416) | 25.53th | v1 |
| Apr 14, 2021 | 0.42% (0.00416) | 0.00th | v1 |
Weaknesses (1)
References (1)
- http://mamaquieroserpentester.blogspot.com/2018/09/multiple-vulnerabilities-in-lg.html x_refsource_MISCExploitThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://mamaquieroserpentester.blogspot.com/2018/09/multiple-vulnerabilities-in-lg.html | x_refsource_MISCExploitThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Sep 14, 2018
Updated Aug 5, 2024
Reserved Aug 31, 2018
Link CVE-2018-16286
CISA Vulnrichment
Updated n/a