CVE-2017-20189 - Vulnerability Details - OpenCVE

In Clojure before 1.9.0, classes can be used to construct a serialized object that executes arbitrary code upon deserialization. This is relevant if a server deserializes untrusted objects.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.03638.

Exploitation poc

Automatable yes

Technical Impact total

Vendors	Products
Clojure	Clojure

Configuration 1 [-]

cpe:2.3:a:clojure:clojure:*:*:*:*:*:*:*:*

No data.

No data.

Advisories

Source	ID	Title
Github GHSA	GHSA-jgxc-8mwq-9xqw	Clojure classes can be used to craft a serialized object that runs arbitrary code on deserialization

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://clojure.atlassian.net/browse/CLJ-2204
https://github.com/clojure/clojure/commit/271674c9b484d798484d134a5ac40a6df15d3ac3
https://github.com/frohoff/ysoserial/pull/68/files
https://hackmd.io/%40fe1w0/HyefvRQKp
https://security.netapp.com/advisory/ntap-20241108-0002/
https://security.snyk.io/vuln/SNYK-JAVA-ORGCLOJURE-5740378

History

Mon, 03 Nov 2025 22:30:00 +0000

Type	Values Removed	Values Added
References		https://security.netapp.com/advisory/ntap-20241108-0002/

Fri, 30 May 2025 15:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2024-01-22T00:00:00.000Z

Updated: 2025-11-03T21:44:02.825Z

Reserved: 2024-01-22T00:00:00.000Z

Link: CVE-2017-20189

Vulnrichment

Updated: 2025-11-03T21:44:02.825Z

NVD

Status : Modified

Published: 2024-01-22T06:15:07.563

Modified: 2025-11-03T22:15:43.787

Link: CVE-2017-20189

Redhat

No data.

OpenCVE Enrichment

No data.

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