CVE-2017-0897
N/A
Published: June 22, 2017 at 09:00 PM UTC
Updated: June 17, 2026 at 12:58 AM UTC
2 products affected across 2 vendorsExpressionEngineExpressionEngine
Using ExpressionEngine by EllisLab?
Get instant alerts when new vulnerabilities affect ExpressionEngine - before attackers find them.
Real-time alertsTrack your software stackFree plan available
Severity
N/A
Exploit prediction
EPSS 4%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
2.0.0 public_beta2.0.1 public_beta2.0.2 public_beta2.1.02.1.12.1.22.1.32.1.42.1.52.10.02.10.12.10.22.10.32.11.02.11.12.11.22.11.32.11.42.11.52.11.62.11.72.2.02.2.12.2.22.3.02.3.12.4.02.5.02.5.12.5.22.5.32.5.42.5.52.6.02.6.12.7.02.7.12.7.22.7.32.8.02.8.12.9.02.9.12.9.22.9.33.0.03.0.13.0.23.0.33.0.43.0.53.0.63.1.03.1.13.1.23.1.33.1.43.2.03.2.13.3.03.3.13.3.23.3.33.3.43.4.03.4.13.4.23.4.33.4.43.4.53.4.63.4.73.5.03.5.13.5.23.5.33.5.4
v < 2.11.8
Affected range stops below 2.11.8, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (5)
VDB Entryx_refsource_BIDThird Party Advisory
Source: [email protected]
http://www.securityfocus.com/bid/99242x_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://docs.expressionengine.com/latest/about/changelog.html#version-3-5-5x_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://docs.expressionengine.com/v2/about/changelog.html#version-2-11-8x_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://expressionengine.com/blog/expressionengine-3.5.5-and-2.11.8-releasedQuick Info
StatusMODIFIED
CWE
CWE-330CWE-331
Get alerted
Stop reading CVE feeds looking for your own stack
Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.
Free plan, no card