Vulnerability Details : CVE-2016-2564
Potential exploit
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.
Products affected by CVE-2016-2564
- cpe:2.3:a:invisioncommunity:invision_power_board:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2016-2564
0.29%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 52 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2016-2564
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:N/A:N |
8.6
|
2.9
|
NIST | |
|
5.9
|
MEDIUM | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
2.2
|
3.6
|
NIST |
CWE ids for CVE-2016-2564
-
The product uses an algorithm or scheme that produces insufficient entropy, leaving patterns or clusters of values that are more likely to occur than others.Assigned by: nvd@nist.gov (Primary)
References for CVE-2016-2564
-
https://medium.com/@iancarroll/bypassing-authentication-in-invision-power-board-with-cve-2016-2564-9a24ea3655f9
Bypassing authentication in Invision Power board with CVE-2016–2564Exploit;Technical Description;Third Party Advisory
-
https://invisionpower.com/release-notes/419-r37/
4.1.9 - Release Notes - Invision CommunityRelease Notes;Vendor Advisory
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