CVE-2021-21702

Null Dereference in SoapClient

State: Published
Severity: 5.3 Medium
Published: Feb 15, 2021
Updated: Sep 16, 2024
Reserved: Jan 4, 2021

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	5.3 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L	php

Weaknesses

CWE-476 NULL Pointer Dereference

Affected Products

Product	Versions
PHPPHP Group	7.3.x to before 7.3.27Affected 7.4.x to before 7.4.15Affected 8.0.X to before 8.0.2Affected

References

https://bugs.php.net/bug.php?id=80672
DSA-4856vendor-advisory
GLSA-202105-23vendor-advisory
[debian-lts-announce] 20210715 [SECURITY] [DLA 2708-1] php7.0 security updatemailing-list
https://www.oracle.com/security-alerts/cpuoct2021.html
https://www.tenable.com/security/tns-2021-14
https://security.netapp.com/advisory/ntap-20210312-0005/

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.