CVE-2021-21702
HIGH7.5EPSS 0.27%Null Dereference in SoapClient
Published: 2/15/2021Modified: 4/28/2026
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 packages (4)
- Bitnami/libphp>= 7.3.0, < 7.3.27, >= 7.4.0, < 7.4.15, >= 8.0.0, < 8.0.2
- Bitnami/php>= 7.3.0, < 7.3.27, >= 7.4.0, < 7.4.15, >= 8.0.0, < 8.0.2
- Bitnami/php-min>= 7.3.0, < 7.3.27, >= 7.4.0, < 7.4.15, >= 8.0.0, < 8.0.2
- Debian/php7.4from 0, < 7.4.15-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
References (9)
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2021-21702
- WEBhttps://bugs.php.net/bug.php?id=80672
- WEBhttps://lists.debian.org/debian-lts-announce/2021/07/msg00008.html
- WEBhttps://nvd.nist.gov/vuln/detail/CVE-2021-21702
- WEBhttps://security.gentoo.org/glsa/202105-23
- WEBhttps://security.netapp.com/advisory/ntap-20210312-0005/
- WEBhttps://www.debian.org/security/2021/dsa-4856
- WEBhttps://www.oracle.com/security-alerts/cpuoct2021.html
- WEBhttps://www.tenable.com/security/tns-2021-14