Is CVE-2016-2564 actively exploited?

CVE-2016-2564 has no public evidence of in-the-wild exploitation as of 2025-04-20.

What is the CVSS score for CVE-2016-2564?

CVE-2016-2564 has a CVSS score of 5.9 (MEDIUM severity). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.

How do I patch CVE-2016-2564?

Patch guidance is available from invisioncommunity security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2016-2564.

Which products are affected by CVE-2016-2564?

1 product: invisioncommunity invision power board.

CVE-2016-2564 - remediation guidance & executive summary

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.

CVSS Metrics

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector: network
Complexity: high
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: none
Availability: none
Weaknesses: CWE-331

Metadata

Primary Vendor: INVISIONCOMMUNITY
Published: 4/23/2017
Last Modified: 4/20/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2016-2564

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary