CVE-2021-21366 Detail

Current Description

xmldom is a pure JavaScript W3C standard-based (XML DOM Level 2 Core) DOMParser and XMLSerializer module. xmldom versions 0.4.0 and older do not correctly preserve system identifiers, FPIs or namespaces when repeatedly parsing and serializing maliciously crafted documents. This may lead to unexpected syntactic changes during XML processing in some downstream applications. This is fixed in version 0.5.0. As a workaround downstream applications can validate the input and reject the maliciously crafted documents.


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score matches with CNA score
CNA:  GitHub, Inc.
Base Score:  4.3 MEDIUM
Vector:  CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: The NVD and the CNA have provided the same score. When this occurs only the CNA information is displayed, but the Acceptance Level icon for the CNA is given a checkmark to signify NVD concurrence.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://github.com/xmldom/xmldom/commit/d4201b9dfbf760049f457f9f08a3888d48835135 Patch  Third Party Advisory 
https://github.com/xmldom/xmldom/releases/tag/0.5.0 Release Notes  Third Party Advisory 
https://github.com/xmldom/xmldom/security/advisories/GHSA-h6q6-9hqw-rwfv Third Party Advisory 
https://www.npmjs.com/package/xmldom Product  Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-436 Interpretation Conflict cwe source acceptance level NIST   Provider acceptance level GitHub, Inc.  
CWE-115 Misinterpretation of Input Provider acceptance level GitHub, Inc.  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-21366
NVD Published Date:
03/12/2021
NVD Last Modified:
03/22/2021
Source:
GitHub, Inc.