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CVE-2021-21702

nvd nist
Published: Feb 15, 2021Modified: Jun 17, 2026

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7.5
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploitability: 3.9 / Impact: 3.6
Source: NVD

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.

Affected (7)

Products: Php: Php · Debian: Debian Linux · Netapp: Clustered Data Ontap · +1 more
Show all products
Php: Php · Debian: Debian Linux · Netapp: Clustered Data Ontap · Oracle: Communications Diameter Signaling Router
Php
1 product
Php
Debian
1 product
Debian Linux
Netapp
1 product
Clustered Data Ontap
Oracle
1 product
Communications Diameter Signaling Router
Configuration A
3 vulnerable
Vulnerable SoftwareAffected Versions
Php
Php
From 7.3.0 to 7.3.27
Php
From 7.4.0 to 7.4.15
Php
From 8.0.0 to 8.0.2
Configuration B
2 vulnerable
Vulnerable SoftwareAffected Versions
Debian
Debian Linux
Version 10.0
Debian Linux
Version 9.0
Configuration C
1 vulnerable
Vulnerable SoftwareAffected Versions
Clustered Data Ontap
All versions
Configuration D
1 vulnerable
Vulnerable SoftwareAffected Versions
Communications Diameter Signaling Router
From 8.0.0 to 8.5.0

Related CWEs

CWE-476
NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.

References (14)

Source: security@php.net
Issue TrackingVendor Advisory
Source: security@php.net
Mailing ListThird Party Advisory
Source: security@php.net
Third Party Advisory
Source: security@php.net
Third Party Advisory
Source: security@php.net
Third Party Advisory
Source: security@php.net
PatchThird Party Advisory
Source: security@php.net
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Issue TrackingVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
PatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

Timeline

No history available yet.