7.5high
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.
Published 9 y ago · modified 4 mo ago · JSON
CVSS
7.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
4.0%
percentile 91%
Public exploits
0
none known
Summary
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.
Exploit prediction (EPSS)
4.04% probability of exploitation in the next 30 days, higher than 91% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| NVD | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
Affected products
- EllisLab ExpressionEngine
Classification
References
- securityfocus.com /bid/99242 · vdb-entry, x_refsource_BID, x_transferred
- docs.expressionengine.com /v2/about/changelog.html#version-2-11-8 · x_refsource_CONFIRM, x_transferred
- hackerone.com /reports/215890 · x_refsource_MISC, x_transferred
- docs.expressionengine.com /latest/about/changelog.html#version-3-5-5 · x_refsource_CONFIRM, x_transferred
- expressionengine.com /blog/expressionengine-3.5.5-and-2.11.8-released · x_refsource_CONFIRM, x_transferred
Sources
- CVE List: CVE-2017-0897
- NVD: CVE-2017-0897
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