medium
6.5
CWE
770 917
Advisory Published
Advisory Published
Updated

CVE-2023-20861

First published: Mon Mar 20 2023(Updated: )

A flaw found was found in Spring Framework. This flaw allows a malicious user to use a specially crafted SpEL expression that causes a denial of service (DoS).

Credit: security@vmware.com security@vmware.com

Affected SoftwareAffected VersionHow to fix
redhat/jenkins<0:2.401.1.1686649641-3.el8
0:2.401.1.1686649641-3.el8
redhat/jenkins<0:2.401.1.1686680404-3.el8
0:2.401.1.1686680404-3.el8
redhat/ovirt-dependencies<0:4.5.3-1.el8e
0:4.5.3-1.el8e
VMware Spring Framework<=5.2.22
VMware Spring Framework>=5.3.0<=5.3.25
VMware Spring Framework>=6.0.0<=6.0.6
IBM Watson Knowledge Catalog on-prem<=4.x
redhat/springframework<6.0.7
6.0.7
redhat/springframework<5.3.26
5.3.26
maven/org.springframework:spring-expression<5.2.23.RELEASE
5.2.23.RELEASE
maven/org.springframework:spring-expression>=5.3.0<5.3.26
5.3.26
maven/org.springframework:spring-expression>=6.0.0<6.0.7
6.0.7

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Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2023-20861?

    CVE-2023-20861 is a vulnerability found in Spring Framework that allows a user to provide a specially crafted SpEL expression that may cause a denial-of-service (DoS) condition.

  • Which versions of Spring Framework are affected?

    Spring Framework versions 6.0.0 - 6.0.6, 5.3.0 - 5.3.25, 5.2.0.RELEASE - 5.2.22.RELEASE, and older unsupported versions are affected.

  • How can a malicious user exploit this vulnerability?

    A malicious user can exploit this vulnerability by providing a specially crafted SpEL expression.

  • What is the severity of CVE-2023-20861?

    The severity of CVE-2023-20861 is medium, with a severity value of 5.3.

  • How can I fix CVE-2023-20861?

    To fix CVE-2023-20861, update to Spring Framework versions 6.0.7, 5.3.26, or apply the recommended patches provided by your vendor.

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