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CVE-2021-21702

Null Dereference in SoapClient

Published: Feb 15, 2021Updated: Nov 21, 2024 Sources: CVE List NVD BDU csafCWE-476
5.3MEDIUM
NVD MITRE
EPSS Score
3.2%
Top 13.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:L
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:LAvailability
Low
Open in CVSS calculator →

Weaknesses

CWE-476

Affected Products

ООО «РусБИТех-Астра»
commercial·RUaka rusbitech-astra
Astra Linux Special EditionOn-premOS
Operating Systems / linux-distro
Astra Linux Special Edition для «Эльбрус»On-premOS
Operating Systems / linux-distro
php
oss-project·USaka php language, pear, pecl
phpDev Tool
OSS Libraries / generic-library
debian
oss-project·GBaka debian gnu/linux
debian linuxOn-premOS
Operating Systems / linux-distro
netapp
commercial·US
clustered data ontap
Hardware Firmware
oracle
commercial·USaka oracle corp.
communications diameter signaling routerOn-prem
Databases / cache-message-queue
PHP Group
oss-projectaka pear, php
PHPLibraryLibrary
OSS Libraries
and 5 more affected products View all →

Exploitability

Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

2 techniques
Impact
Initial Access
View detailed technique mapping

References

https://bugs.php.net/bug.php?id=80672
bugs.php.net
https://lists.debian.org/debian-lts-announce/2021/07/msg00008.html
lists.debian.org
https://security.gentoo.org/glsa/202105-23
security.gentoo.org
and 464 more references View all →

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