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Mend.io Vulnerability Database

CVE-2021-44224

Date: December 20, 2021

A crafted URI sent to httpd configured as a forward proxy (ProxyRequests on) can cause a crash (NULL pointer dereference) or, for configurations mixing forward and reverse proxy declarations, can allow for requests to be directed to a declared Unix Domain Socket endpoint (Server Side Request Forgery). This issue affects Apache HTTP Server 2.4.7 up to 2.4.51 (included).

Language: C

Severity Score

8.2

Related Resources (29)

Url: https://support.apple.com/kb/HT213257

Url: https://access.redhat.com/security/cve/CVE-2021-44224

Url: https://support.apple.com/kb/HT213255

Url: https://nvd.nist.gov/vuln/detail/CVE-2021-44224

Url: https://support.apple.com/kb/HT213256

Url: http://seclists.org/fulldisclosure/2022/May/38

Url: https://www.oracle.com/security-alerts/cpujan2022.html

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X73C35MMMZGBVPQQCH7LQZUMYZNQA5FO/

Url: https://www.debian.org/security/2022/dsa-5035

Url: http://seclists.org/fulldisclosure/2022/May/33

Url: http://seclists.org/fulldisclosure/2022/May/35

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RGWILBORT67SHMSLYSQZG2NMXGCMPUZO/

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2021-44224

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

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Z7H26WJ6TPKNWV3QKY4BHKUKQVUTZJTD/

Url: https://www.tenable.com/security/tns-2022-03

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BFSWOH4X77CV7AH7C4RMHUBDWKQDL4YH/

Url: https://www.tenable.com/security/tns-2022-01

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RGWILBORT67SHMSLYSQZG2NMXGCMPUZO/

Url: http://httpd.apache.org/security/vulnerabilities_24.html

Url: http://www.openwall.com/lists/oss-security/2021/12/20/3

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BFSWOH4X77CV7AH7C4RMHUBDWKQDL4YH/

Url: https://security.alpinelinux.org/vuln/CVE-2021-44224

Url: https://security-tracker.debian.org/tracker/CVE-2021-44224

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/X73C35MMMZGBVPQQCH7LQZUMYZNQA5FO/

Url: https://security.gentoo.org/glsa/202208-20

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z7H26WJ6TPKNWV3QKY4BHKUKQVUTZJTD/

Url: https://security.netapp.com/advisory/ntap-20211224-0001/

Url: https://www.mend.io/vulnerability-database/CVE-2021-44224

Severity Score

8.2

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

CVSS v3.1

Base Score:	8.2
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	LOW
Availability (A):	HIGH

CVSS v2

Base Score:	6.4
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	PARTIAL
Availability (A):	PARTIAL
Additional information:

Mend.io Vulnerability Database

We found results for “”

CVE-2021-44224

Date: December 20, 2021

Language: C

Severity Score

Related Resources (29)

Severity Score

Weakness Type (CWE)

CVSS v3.1

CVSS v2

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