CVE-2021-21702 MEDIUM

CVE-2021-21702: Null Dereference in SoapClient

Vendor Php Group
Product PHP
Weakness CWE-476
Published February 15, 2021
Last update September 16, 2024
View on NVD All CVEs

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

What the vulnerability does

01Description

In PHP versions 7.3.x below 7.3.27, 7.4.x below 7.4.15 and 8.0.x below 8.0.2, when using SOAP extension to connect to a SOAP server, a malicious SOAP server could return malformed XML data as a response that would cause PHP to access a null pointer and thus cause a crash.

Key dates

02Disclosure timeline

February 15, 2021 CVE published
September 16, 2024 Record updated