CVE-2021-21702

    Dashboard / Vulnerabilities / CVE-2021-21702

    CVE-2021-21702

    Published: 15 Feb 2021Last Modified: 7 Aug 2026

    Summary:

    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 access a null pointer and thus cause a crash.

    References: https://lists.debian.org/debian-lts-announce/2021/07/msg00008.html, https://security.gentoo.org/glsa/202105-23, https://security.netapp.com/advisory/ntap-20210312-0005/, https://www.debian.org/security/2021/dsa-4856, https://www.tenable.com/security/tns-2021-14, https://bugs.php.net/bug.php?id=80672, https://www.oracle.com/security-alerts/cpuoct2021.html

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 52ace952a1b65ca80fc2617f11c2fa6dd03f51bd
    Fixed -c800ecda065b5642dde6aff5484d58d91d77f66c

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2021-21702 | CVE-DB