CVE-2017-0897

ExpressionEngine version 2.x < 2.11.8 and version 3.x < 3.5.5 create an object signing token with weak entropy. Successfully guessing the token can lead to remote code execution.

Score

CVSS 3.0 7.5 High

Status

Modified - support@hackerone.com

Published

2017-06-22

Last modified

2024-08-05

Weaknesses

CWE-330, CWE-331

Affected products

• Expressionengine (Ellislab)
• Expressionengine (Expressionengine)

References

• http://www.securityfocus.com/bid/99242
• https://docs.expressionengine.com/latest/about/changelog.html#version-3-5-5
• https://docs.expressionengine.com/v2/about/changelog.html#version-2-11-8
• https://expressionengine.com/blog/expressionengine-3.5.5-and-2.11.8-released
• https://hackerone.com/reports/215890