Executive Summary

Informations
Name CVE-2017-0897 First vendor Publication 2017-06-22
Vendor Cve Last vendor Modification 2019-10-09

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Overall CVSS Score 7.5
Base Score 7.5 Environmental Score 7.5
impact SubScore 3.6 Temporal Score 7.5
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact None Availability Impact None
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:P/I:N/A:N)
Cvss Base Score 5 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-0897

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-331 Insufficient Entropy

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 77

Sources (Detail)

Source Url
BID http://www.securityfocus.com/bid/99242
CONFIRM 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
MISC https://hackerone.com/reports/215890

Alert History

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Date Informations
2021-05-04 12:55:57
  • Multiple Updates
2021-04-22 02:08:45
  • Multiple Updates
2020-05-23 00:54:20
  • Multiple Updates
2019-10-10 05:19:37
  • Multiple Updates
2018-07-04 12:01:50
  • Multiple Updates
2017-07-07 00:23:16
  • Multiple Updates
2017-06-27 09:22:59
  • Multiple Updates
2017-06-23 05:21:52
  • First insertion