CVE-2017-8447 — An error was found in the X-Pack Security 5.3.0 to 5.5.2 privilege enforcement

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MEDIUM

An error was found in the X-Pack Security 5.3.0 to 5.5.2 privilege enforcement

Published Sep 28, 2017

6.5

MEDIUM

CVSS 3.0

EPSS 0.61%

Description

An error was found in the X-Pack Security 5.3.0 to 5.5.2 privilege enforcement. If a user has either 'delete' or 'index' permissions on an index in a cluster, they may be able to issue both delete and index requests against that index.

Affected products

Vendor Elastic Product Elastic X-Pack Security Default
n/a
- Version
  5.3.0 to 5.5.2
  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
5.3.0 to 5.5.2	affected	-

Remediation

No remediation recorded yet.

Metrics

0.61% 0.00612

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

EPSS probability 0.00612

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 (8 key points)

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

Date	Score	Percentile	Model
Oct 1, 2026	0.61% (0.00612)	47.40th	v5 (v2026.06.15)
Sep 20, 2026	0.61% (0.00612)	47.94th	v5 (v2026.06.15)
Jul 20, 2024	0.05% (0.00054)	22.17th	v3 (v2023.03.01)
Mar 7, 2023	0.05% (0.00054)	20.65th	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