PT-2023-4884 · Unknown+1 · Spring Framework+1

Published 2023-04-13 · Updated 2026-05-18 · CVE-2023-20863

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions Spring Framework versions prior to 5.2.24 Spring Framework versions prior to 5.3.27 Spring Framework versions prior to 6.0.8

Description The issue is related to errors in processing SpEL expressions. It is possible for a user to provide a specially crafted SpEL expression that may cause a denial-of-service (DoS) condition. The exploitation of this issue may allow a remote attacker to execute arbitrary code.

Recommendations For versions prior to 5.2.24, update to version 5.2.24 or later. For versions prior to 5.3.27, update to version 5.3.27 or later. For versions prior to 6.0.8, update to version 6.0.8 or later.

Fix

DoS

Resource Exhaustion

Allocation of Resources Without Limits

Weakness Enumeration

CWE-400

CWE-770

CWE-917

Related Identifiers

BDU:2023-05375

CLEANSTART-2026-SQ91016

CLEANSTART-2026-WK99982

CVE-2023-20863

GHSA-WXQC-PXW9-G2P8

Affected Products

Debian

Spring Framework

References · 159

• https://nvd.nist.gov/vuln/detail/CVE-2026-42583 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-24970 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-5588 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-58057 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-6763 · Security Note
• https://spring.io/security/cve-2023-20863 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-27821 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-55163 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-20863 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-38808 · Security Note
• https://osv.dev/vulnerability/CVE-2023-20863 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-67735 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-20861 · Security Note
• https://ubuntu.com/security/CVE-2023-20863 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2023-20863 · Security Note