Invision Power Services (IPS) Community Suite before 4.1.9 makes session hijack easier by relying on the PHP uniqid function without the more_entropy flag
Published Apr 23, 2017
5.9
MEDIUMCVSS 3.0
EPSS 1.27%
Description
Invision Power Services (IPS) Community Suite before 4.1.9 makes session hijack easier by relying on the PHP uniqid function without the more_entropy flag. Attackers can guess an Invision Power Board session cookie if they can predict the exact time of cookie generation.
Affected products
No data.
- ≤ 4.1.8.1
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:H/PR:N/UI:N/S:U/C:H/I:N/A:N
AV:N/AC:M/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 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.27% (0.01273) | 68.81th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.27% (0.01273) | 65.97th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.09% (0.00089) | 23.31th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.18% (0.00179) | 56.41th | v3 (v2023.03.01) |
| Nov 8, 2023 | 0.18% (0.00179) | 54.94th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.16% (0.00164) | 51.23th | 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) |
References (2)
- https://invisionpower.com/release-notes/419-r37/ x_refsource_MISCRelease NotesVendor Advisory
- https://medium.com/%40iancarroll/bypassing-authentication-in-invision-power-board-with-cve-2016-2564-9a24ea3655f9 x_refsource_MISC
| Link | Providers | Tags |
|---|---|---|
| https://invisionpower.com/release-notes/419-r37/ | x_refsource_MISCRelease NotesVendor Advisory | |
| https://medium.com/%40iancarroll/bypassing-authentication-in-invision-power-board-with-cve-2016-2564-9a24ea3655f9 | x_refsource_MISC |
Change history (0)
No recorded changes yet.