CVE-2017-8447: elastic elastic x-pack security Improper Access Control
CVSS: 6.5v3.0MediumModified
Published 28-09-2017Last modified 05-08-2024
Vulnerability summary
CVE-2017-8447 is a medium (CVSS 6.5) Improper Access Control vulnerability in elastic elastic x-pack security. EPSS estimates a 0.61% chance of exploitation in the next 30 days, higher than 48.2% of scored vulnerabilities.
CVSS score
6.5/10
010
Medium · v3.0 (NVD)EPSS score
0.61%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 28-09-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
2 scores · 1 source · 2 versionsMedium 6.5Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:NSourcesSingle source
Medium 5.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:S/C:N/I:P/A:PSourcesSingle source
EPSS trend
Probability
0.61%
Chance of exploitation in the next 30 days
Percentile
48%
Versus all other CVEs
30-day change
0.00 pp
From 0.61% on 18-09-2026
18-09-202618-10-2026
EPSS score0.61%
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
- elastic x-pack security5.3.0 to 5.5.2
- x-pack5.3.0 | 5.3.1 | 5.3.2 | 5.3.3 | 5.4.0 | 5.5.0 | 5.5.2
1 vendor · 2 products
References
1 links- discuss.elastic.co/t/x-pack-security-5-6-0-and-5-5-3-security-update/100089X Refsource MISCMitigationVendor Advisory