CVE-2021-44224

Source
https://cve.org/CVERecord?id=CVE-2021-44224
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-44224.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-44224
Aliases
Downstream
Related
Published
2021-12-20T12:15:07.393Z
Modified
2026-03-15T22:42:22.837822Z
Severity
  • 8.2 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H CVSS Calculator
Summary
[none]
Details

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).

References

Affected packages

Git / github.com/apache/httpd

Affected ranges

Type
GIT
Repo
https://github.com/apache/httpd
Events
Database specific
{
    "versions": [
        {
            "introduced": "2.4.7"
        },
        {
            "fixed": "2.4.52"
        }
    ]
}

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-44224.json"
unresolved_ranges
[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "34"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "35"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "36"
            }
        ]
    },
    {
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            {
                "introduced": "0"
            },
            {
                "last_affected": "10.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "11.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "5.14.0"
            },
            {
                "fixed": "5.20.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "5.16.0"
            },
            {
                "fixed": "202201.1"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "fixed": "9.0"
            }
        ]
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            {
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            {
                "last_affected": "4.0"
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                "last_affected": "4.3"
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            {
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    {
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                "introduced": "11.0"
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                "fixed": "11.6.6"
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    {
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                "introduced": "12.0.0"
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            {
                "fixed": "12.4"
            }
        ]
    }
]