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CVE-2023-46674

Elasticsearch-hadoop Unsafe Deserialization

HIGH
7.8
CVSS Score
Published: December 5, 2023 at 05:21 PM UTC
Updated: June 17, 2026 at 06:31 AM UTC
1 product affected across 1 vendorElasticsearch

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Severity
HIGH7.8
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

An issue was identified that allowed the unsafe deserialization of java objects from hadoop or spark configuration properties that could have been modified by authenticated users. Elastic would like to thank Yakov Shafranovich, with Amazon Web Services for reporting this issue.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Elasticsearch· Elasticelastic-plugin
95%
v < 7.17.111.3.0 ≤ v < 7.17.118.0.0 ≤ v < 8.9.01.3.08.0.0
Affected range stops below 7.17.11, so it looks safe — our inference, not a vendor statement
Affected range stops below 8.9.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: [email protected]
https://discuss.elastic.co/t/elasticsearch-hadoop-7-17-11-8-9-0-security-update-esa-2023-28/348663

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGH[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-502

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