CVE-2018-17247
Improper Restriction of XML External Entity Reference in Elasticsearch
5.9
MEDIUM
CVSS 3.1
EPSS 0.28%
Description
Elasticsearch Security versions 6.5.0 and 6.5.1 contain an XXE flaw in Machine Learning's find_file_structure API. If a policy allowing external network access has been added to Elasticsearch's Java Security Manager then an attacker could send a specially crafted request capable of leaking content of local files on the Elasticsearch node. This could allow a user to access information that they should not have access to.
How to fix CVE-2018-17247
To remediate CVE-2018-17247, upgrade the affected package to a fixed version below.
- —upgrade to 6.5.2 or later
Is CVE-2018-17247 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 6.5.0, < 6.5.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.9 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |