Vulnerability in Invisioncommunity Invision Power Board
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 more_entropy flag. Attackers can guess an Invision Power Board session cookie if they can predict the exact time of cookie generation.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.013 (68.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 68.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- medium.com/@iancarroll/bypassing-authentication-in-invision-power-board-with-cv…
- invisionpower.com/release-notes/419-r37/ (Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2016-2564?
- CVE-2016-2564 is a medium-severity vulnerability in Invisioncommunity Invision Power Board, classified under Insufficient Entropy. CVSS score: 5.9/10. Published 2017-04-23.
- How severe is CVE-2016-2564?
- Medium severity. CVSS v3 base score is 5.9 out of 10.
- Is CVE-2016-2564 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.