SolarWinds Serv-U MFT before 15.1.6 HFv1 assigns authenticated users a low-entropy session token that can be included in requests to the application as a URL parameter in lieu of a session cookie
Published May 16, 2018
7.3
HIGHCVSS 3.0
EPSS 1.05%
Description
SolarWinds Serv-U MFT before 15.1.6 HFv1 assigns authenticated users a low-entropy session token that can be included in requests to the application as a URL parameter in lieu of a session cookie. This session token's value can be brute-forced by an attacker to obtain the corresponding session cookie and hijack the user's session.
Affected products
No data.
- ≤ 15.1.6
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.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
AV:N/AC:L/Au:N/C:P/I:N/A:N
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 2, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 1.05% (0.01048) | 62.99th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.06% (0.01065) | 60.16th | v5 (v2026.06.15) |
| Mar 19, 2025 | 1.77% (0.01768) | 80.66th | v4 (v2025.03.14) |
| Mar 17, 2025 | 3.23% (0.03232) | 86.23th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.09% (0.00093) | 40.10th | v3 (v2023.03.01) |
| Jun 13, 2024 | 0.09% (0.00093) | 39.81th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.09% (0.00092) | 37.79th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | 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 | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.42% (0.00416) | 0.00th | v1 |
References (1)
- https://www.bishopfox.com/news/2018/05/solarwinds-serv-u-managed-file-transfer-insufficient-session-id-entropy/ x_refsource_MISCThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://www.bishopfox.com/news/2018/05/solarwinds-serv-u-managed-file-transfer-insufficient-session-id-entropy/ | x_refsource_MISCThird Party Advisory |
Change history (0)
No recorded changes yet.