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Spring Framework vulnerable to denial of service

High severity GitHub Reviewed Published Apr 13, 2023 to the GitHub Advisory Database • Updated Jun 10, 2024

Package

maven org.springframework:spring-expression (Maven)

Affected versions

>= 6.0.0, < 6.0.8
>= 5.3.0, < 5.3.27
< 5.2.24.RELEASE

Patched versions

6.0.8
5.3.27
5.2.24.RELEASE

Description

In Spring Framework versions prior to 5.2.24.release+ , 5.3.27+ and 6.0.8+ , it is possible for a user to provide a specially crafted Spring Expression Language (SpEL) expression that may cause a denial-of-service (DoS) condition.

References

Published by the National Vulnerability Database Apr 13, 2023
Published to the GitHub Advisory Database Apr 13, 2023
Reviewed Apr 17, 2023
Last updated Jun 10, 2024

Severity

High

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS score

0.171%
(55th percentile)

Weaknesses

CVE ID

CVE-2023-20863

GHSA ID

GHSA-wxqc-pxw9-g2p8

Source code

Credits

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