Back to Database
Status published
High
CVE-2017-0897
ExpressionEngine version 2.x < 2.11.8 and version 3.x < 3.5.5...
Vulnerability Description
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2017-0897
Credits & Attribution
No credits recorded in the NVD database.
References
- http://www.securityfocus.com/bid/99242
- https://docs.expressionengine.com/v2/about/changelog.html#version-2-11-8
- https://hackerone.com/reports/215890
- https://docs.expressionengine.com/latest/about/changelog.html#version-3-5-5
- https://expressionengine.com/blog/expressionengine-3.5.5-and-2.11.8-released
Affected Vendor
EllisLab
View all reports →Affected Software
ExpressionEngine
Vulnerable Versions:
Versions before 2.11.8 and 3.5.5
Timeline
Official Publish:
June 22nd, 2017
Last Modified:
August 5th, 2024
Added to House:
July 20th, 2026
CVSS Vectors
V3:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weaknesses (CWE)
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.