CVE-2017-8441 — Elastic X-Pack Security versions prior to 5
Elastic X-Pack Security versions prior to 5.4.1 and 5.3.3 did not always correctly apply Document Level Security to index aliases. This bug could allow a user with restricted permissions to view data they should not have access to when performing certain operations against an ind
Published
2017-06-05T14:29:00.387
Last modified
2026-05-13T00:24:29.033
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
01What is this vulnerability?
Elastic X-Pack Security versions prior to 5.4.1 and 5.3.3 did not always correctly apply Document Level Security to index aliases. This bug could allow a user with restricted permissions to view data they should not have access to when performing certain operations against an index alias.
02Affected products
No structured affected-product list available — see references below for vendor advisories.
03Active exploitation status
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
04Recommended remediation
- Patch to a fixed version listed in the vendor advisory (see references below).
- Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
- Hunt historical logs for exploitation indicators — see Detection signatures below.
05Technical details
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
06Detection signatures
Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.
07Related CVEs
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.
08Timeline
- Published: 2017-06-05T14:29:00.387
- Last modified: 2026-05-13T00:24:29.033
09References
- discuss.elastic.co — https://discuss.elastic.co/t/elastic-stack-5-4-1-and-5-3-3-security-updates/8795…
- www.elastic.co — https://www.elastic.co/blog/elasticsearch-5-4-1-and-5-3-3-released
- www.elastic.co — https://www.elastic.co/community/security
- discuss.elastic.co — https://discuss.elastic.co/t/elastic-stack-5-4-1-and-5-3-3-security-updates/8795…
- www.elastic.co — https://www.elastic.co/blog/elasticsearch-5-4-1-and-5-3-3-released
- www.elastic.co — https://www.elastic.co/community/security
Want this in your SOAR or SIEM?
SARA's API returns EPSS, CVSS, KEV, and an analyst-grade summary in one call.
Read the API reference →