CVE-2017-8450 — X-Pack 5.1.1 did not properly apply document and field level security to multi-search and multi-get requests so users without access to a document and/or field may have been able to access this information

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HIGH

X-Pack 5.1.1 did not properly apply document and field level security to multi-search and multi-get requests so users without access to a document and/or field may have been able to access this information

Published Jun 16, 2017

7.5

HIGH

CVSS 3.0

EPSS 0.86%

Description

X-Pack 5.1.1 did not properly apply document and field level security to multi-search and multi-get requests so users without access to a document and/or field may have been able to access this information.

Affected products

Vendor Elastic Product Elastic X-Pack Security Default
n/a
- Version
  5.1.1
  Status
  affected
  Constraints
  -

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Elastic

Elastic X-Pack Security

n/a

Version	Status	Constraints
5.1.1	affected	-

Remediation

No remediation recorded yet.

Metrics

0.86% 0.00862

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.00862

Score over time

2021–2026

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Percentile over time

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Table of values (9 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	0.86% (0.00862)	57.07th	v5 (v2026.06.15)
Sep 20, 2026	0.86% (0.00862)	57.01th	v5 (v2026.06.15)
Jul 20, 2024	0.19% (0.00186)	56.24th	v3 (v2023.03.01)
Feb 27, 2024	0.19% (0.00186)	54.88th	v3 (v2023.03.01)
Mar 7, 2023	0.17% (0.00168)	51.99th	v3 (v2023.03.01)
Mar 6, 2023	0.89% (0.00885)	27.89th	v2 (v2022.01.01)
Feb 4, 2022	0.89% (0.00885)	10.50th	v2 (v2022.01.01)
Feb 3, 2022	0.42% (0.00416)	10.04th	v5 (v2026.06.15)
Apr 14, 2021	0.42% (0.00416)	0.00th	v1