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Spring Framework vulnerable to denial of service via specially crafted SpEL expression

Moderate severity GitHub Reviewed Published Mar 23, 2023 to the GitHub Advisory Database • Updated Mar 24, 2024

Package

maven org.springframework:spring-expression (Maven)

Affected versions

>= 6.0.0, < 6.0.7
>= 5.3.0, < 5.3.26
< 5.2.23.RELEASE

Patched versions

6.0.7
5.3.26
5.2.23.RELEASE

Description

In 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, it is possible for a user to provide a specially crafted SpEL expression that may cause a denial-of-service (DoS) condition.

References

Published by the National Vulnerability Database Mar 23, 2023
Published to the GitHub Advisory Database Mar 23, 2023
Reviewed Mar 23, 2023
Last updated Mar 24, 2024

Severity

Moderate
6.5
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weaknesses

CVE ID

CVE-2023-20861

GHSA ID

GHSA-564r-hj7v-mcr5

Source code

Credits

Checking history
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