Client Proxy (MCP) - Authentication Bypass vulnerability
Published Nov 22, 2019
8.6
HIGHCVSS 3.1
EPSS 0.66%
Description
Authentication Bypass vulnerability in the Microsoft Windows client in McAfee Client Proxy (MCP) prior to 3.0.0 allows local user to bypass scanning of web traffic and gain access to blocked sites for a short period of time via generating an authorization key on the client which should only be generated by the network administrator.
Affected products
-
- Version unspecifiedStatusaffectedConstraints<3.0.0
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| McAfee | Client Proxy (MCP) | n/a |
|
- < 3.0.0
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.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
1 other source (CVE.org) ▾
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:N/I:N/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 0.66% (0.00665) | 50.07th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.66% (0.00665) | 46.76th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.16% (0.00161) | 34.46th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.06% (0.00058) | 26.61th | v3 (v2023.03.01) |
| Jun 6, 2024 | 0.06% (0.00058) | 24.54th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.06% (0.00058) | 22.52th | 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 | 1.40% (0.01404) | 49.02th | v2 (v2022.01.01) |
| Feb 3, 2022 | 10.78% (0.10781) | 87.89th | v1 |
| Jan 6, 2022 | 10.78% (0.10781) | 87.75th | v1 |
| Sep 1, 2021 | 2.62% (0.02623) | 79.16th | v1 |
| Apr 14, 2021 | 2.62% (0.02623) | 0.00th | v1 |
References (1)
- https://kc.mcafee.com/corporate/index?page=content&id=SB10305 x_refsource_MISC
| Link | Providers | Tags |
|---|---|---|
| https://kc.mcafee.com/corporate/index?page=content&id=SB10305 | x_refsource_MISC |
Change history (0)
No recorded changes yet.