CWE-557 – Concurrency Issues | Common Weakness Enumeration (CWE)

Overview

CWE-557 (Concurrency Issues) documents a weakness type used across vulnerability databases and security assessments. Use the sections below for definition, context, and mapped CVEs.

Security impact: Security impact: Depends on product and context; use CVE records, severity scores, and MITRE guidance to prioritize.

Description

Weaknesses in this category are related to concurrent use of shared resources.

Related CVEs in this database

These CVEs are mapped to this weakness in this database and kept for traceability and search.

CVE	Published	Summary
CVE-2025-55275	2026-03-26	HCL Aftermarket DPC is affected by Admin Session Concurrency vulnerability using which an attacker can exploit concurrent sessions to hijack or impersonate an admin user.

Content submission

Name: CWE Community
Date: 2006-07-19
Version: Draft 3
Comment: Submitted by members of the CWE community to extend early CWE versions

Content modifications

Date	Name	Version	Importance	Comment
2008-09-08	CWE Content Team	1.0	—	updated Relationships
2017-11-08	CWE Content Team	3.0	—	updated Relationships
2020-02-24	CWE Content Team	4.0	—	updated Relationships
2022-04-28	CWE Content Team	4.7	—	updated Relationships
2023-04-27	CWE Content Team	4.11	—	updated Mapping_Notes, Relationships
2023-06-29	CWE Content Team	4.12	—	updated Mapping_Notes