CVE-2021-21702
Medium
Published: 15 February 2021
Published
15 February 2021
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1
5.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS Score
0.0027
50.9th percentile
Risk Priority
11
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2021-21702 is a medium-severity NULL Pointer Dereference (CWE-476) vulnerability in Php Php. Its CVSS base score is 5.3 (Medium).
Operationally, ranked in the top 49.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-8874
Vulnerability details
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…
more
access a null pointer and thus cause a crash.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
php
php
7.3.0 — 7.3.27 · 7.4.0 — 7.4.15 · 8.0.0 — 8.0.2
debian
debian linux
10.0, 9.0
netapp
clustered data ontap
all versions
oracle
communications diameter signaling router
8.0.0 — 8.5.0
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.