CVSS 3.0
5.9 mediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:NCVE-2016-2564
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.
Severity
- EPSS
- 1.3% chance of exploitation in the next 30 days; higher than 69% of CVEs (scores of 2026-10-31)
- CWE
- CWE-331
- Published
- Modified
- Record from
- the NVD, synced
Affected
- invisioncommunity:invision_power_board
References
- https://invisionpower.com/release-notes/419-r37/
- https://medium.com/%40iancarroll/bypassing-authentication-in-invision-power-board-with-cve-2016-2564-9a24ea3655f9
- https://invisionpower.com/release-notes/419-r37/
- https://medium.com/%40iancarroll/bypassing-authentication-in-invision-power-board-with-cve-2016-2564-9a24ea3655f9