CVE-2017-8438: elastic x-pack Improper Access Control
Vulnerability summary
CVE-2017-8438 is a high (CVSS 8.8) Improper Access Control vulnerability in elastic x-pack. EPSS estimates a 1.03% chance of exploitation in the next 30 days, higher than 63% of scored vulnerabilities.
Timeline
- 05-06-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
Elastic X-Pack Security versions 5.0.0 to 5.4.0 contain a privilege escalation bug in the run_as functionality. This bug prevents transitioning into the specified user specified in a run_as request. If a role has been created using a template that contains the _user properties, the behavior of run_as will be incorrect. Additionally if the run_as user specified does not exist, the transition will not happen.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
1.03%
Chance of exploitation in the next 30 days
Percentile
63%
Versus all other CVEs
30-day change
0.00 pp
From 1.03% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-284Improper Access ControlThe product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
- CWE-269Improper Privilege ManagementThe product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.
Affected systems
Elastic2 products
- x-pack5.0.0 | 5.0.1 | 5.0.2 | 5.1.0 | 5.1.1 | 5.2.0 | 5.2.1 | 5.2.2 | 5.3.0 | 5.3.1 | 5.3.2 | 5.3.3 | 5.4.0
- x-pack security5.0.0 to 5.4.0
1 vendor · 2 products
References
3 links- discuss.elastic.co/t/elastic-stack-5-4-1-and-5-3-3-security-updates/87952X Refsource CONFIRMVendor Advisory