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Home > CWE List > CWE-1462: Improper Session Management (5.0)  
ID

CWE-1462: Improper Session Management

Weakness ID: 1462
Vulnerability Mapping: ALLOWED This CWE ID could be used to map to real-world vulnerabilities in limited situations requiring careful review (with careful review of mapping notes)
Abstraction: Class Class - a weakness that is described in a very abstract fashion, typically independent of any specific language or technology. More specific than a Pillar Weakness, but more general than a Base Weakness. Class level weaknesses typically describe issues in terms of 1 or 2 of the following dimensions: behavior, property, and resource.
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+ Description
The product does not properly manage user-related sessions such as setting appropriate configurations and settings for sessions on creation and handling sessions throughout their lifetime.
+ Potential Mitigations
Phase(s) Mitigation

Architecture and Design; Implementation; Operation

Very carefully manage user authenticated sessions. Ensure that appropriate timeouts, invalidation procedures, and protections are established.
+ Relationships
Section Help This table shows the weaknesses and high level categories that are related to this weakness. These relationships are defined as ChildOf, ParentOf, MemberOf and give insight to similar items that may exist at higher and lower levels of abstraction. In addition, relationships such as PeerOf, Overlaps, and CanAlsoBe are defined to show similar weaknesses that the user may want to explore.
+ Relevant to the view "Complete Weakness Hierarchy" (View-1000)
Nature Type ID Name
ChildOf Pillar Pillar - a weakness that is the most abstract type of weakness and represents a theme for all class/base/variant weaknesses related to it. A Pillar is different from a Category as a Pillar is still technically a type of weakness that describes a mistake, while a Category represents a common characteristic used to group related things. 284 Improper Access Control
ParentOf Composite Composite - a Compound Element that consists of two or more distinct weaknesses, in which all weaknesses must be present at the same time in order for a potential vulnerability to arise. Removing any of the weaknesses eliminates or sharply reduces the risk. One weakness, X, can be "broken down" into component weaknesses Y and Z. There can be cases in which one weakness might not be essential to a composite, but changes the nature of the composite when it becomes a vulnerability. 384 Session Fixation
ParentOf Base Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource. 1463 Insufficient Session Timeout Value
ParentOf Base Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource. 1464 Improper Session Invalidation
ParentOf Base Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource. 1467 Use of Singular Authentication Artifact for Multiple User Sessions
+ Relevant to the view "Software Development" (View-699)
Nature Type ID Name
MemberOf Grouping Grouping - a CWE entry that contains a set of other entries that share a common characteristic. 1217 User Session Errors
+ Modes Of Introduction
Section HelpThe different Modes of Introduction provide information about how and when this weakness may be introduced. The Phase identifies a point in the life cycle at which introduction may occur, while the Note provides a typical scenario related to introduction during the given phase.
Phase(s) Note

Architecture and Design

Implementation

+ Applicable Platforms
Section HelpThis listing shows possible areas for which the given weakness could appear. These may be for specific named Languages, Operating Systems, Architectures, Paradigms, Technologies, or a class of such platforms. The platform is listed along with how frequently the given weakness appears for that instance.
Type Applicable Platforms Notes
Languages

Class: Not Language-Specific (Undetermined Prevalence)

Operating Systems

Class: Not OS-Specific (Undetermined Prevalence)

Architectures

Class: Not Architecture-Specific (Undetermined Prevalence)

Technologies

Class: Client Server (Undetermined Prevalence)

Class: Web Based (Undetermined Prevalence)

+ Selected Observed Examples

Note: this is a curated list of examples for users to understand the variety of ways in which this weakness can be introduced. It is not a complete list of all CVEs that are related to this CWE entry.

Reference Description
No absolute session expiration
Session was not invalidated after inactivity
Chain: log out invalidated the session on the client side (CWE-602), but not the server side (CWE-1464)
+ Memberships
Section HelpThis MemberOf Relationships table shows additional CWE Categories and Views that reference this weakness as a member. This information is often useful in understanding where a weakness fits within the context of external information sources.
Nature Type ID Name
MemberOf GroupingGrouping - a CWE entry that contains a set of other entries that share a common characteristic. 1396 Comprehensive Categorization: Access Control
+ Vulnerability Mapping Notes
Usage ALLOWED-WITH-REVIEW
(this CWE ID could be used to map to real-world vulnerabilities in limited situations requiring careful review)
Reason Abstraction

Rationale

This CWE Entry is a Class and might have lower-level children that would be more appropriate

Comments

Examine children of this entry to see if there is a better fit
+ Notes

Maintenance

Version: 5.0; Release Date: 2026-10-28

This entry was created in CWE 5.0 to address known gaps in CWE coverage. It is not as complete as other new entries that were published in recent years. The CWE Team plans to work with the CWE community to make this entry more complete in later 5.x releases.
+ References
[REF-1540] OWASP. "Session Management Cheat Sheet".
<https://cheatsheetseries.owasp.org/cheatsheets/Session_Management_Cheat_Sheet.html>. (URL validated: 2026-10-23)
[REF-1561] OWASP. "OWASP Web Security Testing Guide: 4.6 Session Management Testing".
<https://wstg.owasp.org/v4.2/4-Web_Application_Security_Testing/06-Session_Management_Testing/>. (URL validated: 2026-10-22)
+ Content History
+ Submissions
Submission Date Submitter Organization
2026-10-22
(CWE 5.0, 2026-10-28)
CWE Content Team MITRE
Page Last Updated: Oct 28, 2026