5.9med
CVE-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 mo…
Published 9 y ago · modified 4 mo ago · JSON
CVSS
5.9
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
1.3%
percentile 70%
Public exploits
0
none known
Summary
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.
Exploit prediction (EPSS)
1.27% probability of exploitation in the next 30 days, higher than 70% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| NVD | 3.0 | 5.9 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:P/I:N/A:N |
Classification
- Weakness
- CWE-331 Insufficient Entropy
References
- medium.com /%40iancarroll/bypassing-authentication-in-invision-power-board-with-cve-2016-2564-9a24ea3 · x_refsource_MISC, x_transferred
- invisionpower.com /release-notes/419-r37/ · x_refsource_MISC, x_transferred
Sources
- CVE List: CVE-2016-2564
- NVD: CVE-2016-2564
vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.