CWE-1275 Detail

CWE-1275

Sensitive Cookie with Improper SameSite Attribute
2020-02-24
00h00 +00:00
Gemiddeld
Incomplete
2026-10-28
00h00 +00:00
CWE Mitre.org
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Naam: Sensitive Cookie with Improper SameSite Attribute

The SameSite attribute for sensitive cookies is not set, or an insecure value is used.

Algemene informatie

Achtergrondinformatie

Introductiemodi

Implementation : This weakness occurs during implementation when the coder does not properly set the SameSite attribute.

Toepasselijke platforms

Taal

Klasse: Not Language-Specific (Undetermined)

Besturingssystemen

Klasse: Not OS-Specific (Undetermined)

Architecturen

Klasse: Not Architecture-Specific (Undetermined)

Technologieën

Klasse: Web Based (Undetermined)
Naam: Web Server (Undetermined)

Veelvoorkomende gevolgen

Bereik Impact Waarschijnlijkheid
Confidentiality
Integrity
Non-Repudiation
Access Control		Modify Application Data

Waargenomen voorbeelden

Referenties Beschrijving

CVE-2022-24045

Web application for a room automation system has client-side JavaScript that sets a sensitive cookie without the SameSite security attribute, allowing the cookie to be sniffed

Mogelijke risicobeperkingen

Phases : Implementation
Set the SameSite attribute of a sensitive cookie to "Lax" or "Strict". This instructs the browser to apply this cookie only to same-domain requests, which provides a good Defense in Depth against CSRF attacks. When the "Lax" value is in use, cookies are also sent for top-level cross-domain navigation via HTTP GET, HEAD, OPTIONS, and TRACE methods, but not for other HTTP methods that are more likely to cause side-effects of state mutation.

Detectiemethoden

Automated Static Analysis

Automated static analysis, commonly referred to as Static Application Security Testing (SAST), can find some instances of this weakness by analyzing source code (or binary/compiled code) without having to execute it. Typically, this is done by building a model of data flow and control flow, then searching for potentially-vulnerable patterns that connect "sources" (origins of input) with "sinks" (destinations where the data interacts with external components, a lower layer such as the OS, etc.)
Effectiviteit : High

Notities kwetsbaarheidsmapping

Rechtvaardiging : This CWE entry is at the Variant level of abstraction, which is a preferred level of abstraction for mapping to the root causes of vulnerabilities.
Opmerking : Carefully read both the name and description to ensure that this mapping is an appropriate fit. Do not try to 'force' a mapping to a lower-level Base/Variant simply to comply with this preferred level of abstraction.

Gerelateerde aanvalspatronen

CAPEC ID Naam aanvalspatroon
CAPEC-62 Cross Site Request Forgery
An attacker crafts malicious web links and distributes them (via web pages, email, etc.), typically in a targeted manner, hoping to induce users to click on the link and execute the malicious action against some third-party application. If successful, the action embedded in the malicious link will be processed and accepted by the targeted application with the users' privilege level. This type of attack leverages the persistence and implicit trust placed in user session cookies by many web applications today. In such an architecture, once the user authenticates to an application and a session cookie is created on the user's system, all following transactions for that session are authenticated using that cookie including potential actions initiated by an attacker and simply "riding" the existing session cookie.

Referenties

REF-1104

SameSite attribute specification draft
M. West, M. Goodwin.
https://datatracker.ietf.org/doc/html/draft-west-first-party-cookies-07

REF-1105

SameSite attribute description on MDN Web Docs
Mozilla.
https://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Set-Cookie#samesitesamesite-value

REF-1106

Chromium support for SameSite attribute
The Chromium Projects.
https://www.chromium.org/updates/same-site/

Indiening

Naam Organisatie Datum Releasedatum Version
Michael Stepankin Veracode 2020-06-19 +00:00 2020-02-24 +00:00 4.1

Wijzigingen

Naam Organisatie Datum Opmerking
CWE Content Team MITRE 2020-08-20 +00:00 updated Demonstrative_Examples, Related_Attack_Patterns
CWE Content Team MITRE 2021-10-28 +00:00 updated Relationships
CWE Content Team MITRE 2022-10-13 +00:00 updated Demonstrative_Examples
CWE Content Team MITRE 2023-01-31 +00:00 updated Relationships
CWE Content Team MITRE 2023-04-27 +00:00 updated Detection_Factors, References, Relationships
CWE Content Team MITRE 2023-06-29 +00:00 updated Mapping_Notes
CWE Content Team MITRE 2023-10-26 +00:00 updated Demonstrative_Examples, Observed_Examples
CWE Content Team MITRE 2025-09-09 +00:00 updated References
CWE Content Team MITRE 2025-12-11 +00:00 updated Applicable_Platforms, Relationships, Weakness_Ordinalities
CWE Content Team MITRE 2026-10-28 +00:00 updated Background_Details, Common_Consequences, Description, Potential_Mitigations
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