high
7.5
CWE
918 400
Advisory Published
CVE Published
Updated

CVE-2021-22696: OAuth 2 authorization service vulnerable to DDos attacks

First published: Fri Apr 02 2021(Updated: )

Apache CXF is vulnerable to a denial of service, caused by improper validation of request_uri parameter by the OAuth 2 authorization service. By sending a specially-crafted request, a remote attacker could exploit this vulnerability to cause a denial of service condition on the authorization server.

Credit: security@apache.org

Affected SoftwareAffected VersionHow to fix
Apache CXF<3.3.10
Apache CXF>=3.4.0<3.4.3
Oracle Business Intelligence=5.5.0.0.0
Oracle Business Intelligence=5.9.0.0.0
Oracle Business Intelligence=12.2.1.3.0
Oracle Business Intelligence=12.2.1.4.0
Oracle Communications Diameter Intelligence Hub>=8.0.0<=8.1.0
Oracle Communications Diameter Intelligence Hub>=8.2.0<=8.2.3
Oracle Communications Element Manager=8.2.2
Oracle Communications Session Report Manager>=8.0.0<=8.2.4.0
Oracle Communications Session Route Manager>=8.0.0<=8.2.4
redhat/cxf-3.3.10 cxf<3.4.3
3.4.3
<=10.5
<=10.6
<=11.0
<=11.1
<=11.2
<=11.3
<=11.4

Remedy

https://www.oracle.com/security-alerts/cpuapr2022.html

Remedy

https://www.oracle.com/security-alerts/cpuoct2021.html

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the vulnerability ID for this Apache CXF vulnerability?

    The vulnerability ID for this Apache CXF vulnerability is CVE-2021-22696.

  • What is the severity of CVE-2021-22696?

    The severity of CVE-2021-22696 is high with a severity value of 7.5.

  • How does CVE-2021-22696 affect Apache CXF?

    CVE-2021-22696 affects Apache CXF by causing a denial of service due to improper validation of the request_uri parameter.

  • Which versions of Apache CXF are affected by CVE-2021-22696?

    Apache CXF versions up to and including 3.4.3 are affected by CVE-2021-22696.

  • How can I fix CVE-2021-22696?

    To fix CVE-2021-22696, it is recommended to update Apache CXF to version 3.4.4 or higher.

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