CVE-2021-41559

Severity Score

6.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Silverstripe silverstripe/framework 4.8.1 has a quadratic blowup in Convert::xml2array() that enables a remote attack via a crafted XML document.

Silverstripe silverstripe/framework 4.8.1, presenta una explosión cuadrática en la función Convert::xml2array() que permite un ataque remoto por medio de un documento XML diseñado

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-09-22 CVE Reserved
2022-06-28 CVE Published
2024-02-17 EPSS Updated
2024-08-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-776: Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')

CAPEC

References (3)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://github.com/silverstripe/silverstripe-framework/releases	2023-08-08
https://www.silverstripe.org/download/security-releases	2023-08-08
https://www.silverstripe.org/download/security-releases/cve-2021-41559	2023-08-08

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Silverstripe Search vendor "Silverstripe"		Silverstripe Search vendor "Silverstripe" for product "Silverstripe"				< 4.10.9 Search vendor "Silverstripe" for product "Silverstripe" and version " < 4.10.9"		-		Affected