CVE-2017-0897
CVE-2017-0897 Vulnerability Analysis & Exploit Intelligence
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.
Published Updated Sources: cvelistV5, hackerone
Triage
Is it exploited, how likely is exploitation, what does it touch, and how severe do the scoring sources call it.
Exploitation
Unreported
no source claims exploitation
EPSS
4%
chance of exploitation in 30 days
CVSS base
Unscored
no source published a base score
Affected scope
The catalog records vendors and products as separate lists, not pairs, so which product belongs to which vendor is not something this page can say.
Vendors (1)
Products (1)
Weakness & attack patterns
- CWE-330
Attack patterns reported against this CVE. The ATT&CK techniques below are inferred from its weakness class.
- T1110Brute Force
- T1552.004Unsecure Credentials: Private Keys
References
5 on the record
- www.securityfocus.com/bid/99242
vdb-entry, x_refsource_BID
- docs.expressionengine.com/v2/about/changelog.html#version-2-11-8
x_refsource_CONFIRM
- hackerone.com/reports/215890
x_refsource_MISC
- docs.expressionengine.com/latest/about/changelog.html#version-3-5-5
x_refsource_CONFIRM
- expressionengine.com/blog/expressionengine-3.5.5-and-2.11.8-released
x_refsource_CONFIRM
Elsewhere on this site
Not in any source we poll
Listed rather than left blank: an empty field and an unmeasured one look identical on screen, and only one is a reason to look elsewhere.
- No confirmed IOCs, IP addresses, domains, file hashes, or malware artifacts supplied.
- No organization-specific asset inventory, compensating-control status, or patch deployment evidence supplied.
- No exploit packet captures, log samples, or incident case IDs supplied.