{
    "CVE_data_meta": {
        "ASSIGNER": "security@apache.org",
        "ID": "CVE-2021-40438",
        "STATE": "PUBLIC",
        "TITLE": "mod_proxy SSRF"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Apache HTTP Server",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<=",
                                            "version_name": "Apache HTTP Server 2.4",
                                            "version_value": "2.4.48"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "Apache Software Foundation"
                }
            ]
        }
    },
    "credit": [
        {
            "lang": "eng",
            "value": "The issue was discovered by the Apache HTTP security team while analysing CVE-2021-36160"
        }
    ],
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "A crafted request uri-path can cause mod_proxy to forward the request to an origin server choosen by the remote user. This issue affects Apache HTTP Server 2.4.48 and earlier."
            }
        ]
    },
    "generator": {
        "engine": "Vulnogram 0.0.9"
    },
    "impact": [
        {
            "other": "high"
        }
    ],
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-918 Server Side Request Forgery (SSRF)"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "MISC",
                "url": "https://httpd.apache.org/security/vulnerabilities_24.html",
                "name": "https://httpd.apache.org/security/vulnerabilities_24.html"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2021-dce7e7738e",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SPBR6WUYBJNACHKE65SPL7TJOHX7RHWD/"
            },
            {
                "refsource": "MLIST",
                "name": "[httpd-users] 20210923 [users@httpd] 2.4.49 security fixes: more info",
                "url": "https://lists.apache.org/thread.html/r82838efc5fa6fc4c73986399c9b71573589f78b31846aff5bd9b1697@%3Cusers.httpd.apache.org%3E"
            },
            {
                "refsource": "MLIST",
                "name": "[httpd-users] 20210923 Re: [users@httpd] 2.4.49 security fixes: more info",
                "url": "https://lists.apache.org/thread.html/r82c077663f9759c7df5a6656f925b3ee4f55fcd33c889ba7cd687029@%3Cusers.httpd.apache.org%3E"
            },
            {
                "refsource": "MLIST",
                "name": "[httpd-users] 20210923 [users@httpd] Re: [External] : [users@httpd] 2.4.49 security fixes: more info",
                "url": "https://lists.apache.org/thread.html/r3925e167d5eb1c75def3750c155d753064e1d34a143028bb32910432@%3Cusers.httpd.apache.org%3E"
            },
            {
                "refsource": "MLIST",
                "name": "[httpd-users] 20210923 Re: [users@httpd] Re: [External] : [users@httpd] 2.4.49 security fixes: more info",
                "url": "https://lists.apache.org/thread.html/r61fdbfc26ab170f4e6492ef3bd5197c20b862ce156e9d5a54d4b899c@%3Cusers.httpd.apache.org%3E"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2021-e3f6dd670d",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZNCYSR3BXT36FFF4XTCPL3HDQK4VP45R/"
            },
            {
                "refsource": "MLIST",
                "name": "[debian-lts-announce] 20211002 [SECURITY] [DLA 2776-1] apache2 security update",
                "url": "https://lists.debian.org/debian-lts-announce/2021/10/msg00001.html"
            },
            {
                "refsource": "MLIST",
                "name": "[httpd-bugs] 20211008 [Bug 65616] CVE-2021-36160 regression",
                "url": "https://lists.apache.org/thread.html/r2eb200ac1340f69aa22af61ab34780c531d110437910cb9c0ece3b37@%3Cbugs.httpd.apache.org%3E"
            },
            {
                "refsource": "DEBIAN",
                "name": "DSA-4982",
                "url": "https://www.debian.org/security/2021/dsa-4982"
            },
            {
                "refsource": "MLIST",
                "name": "[httpd-users] 20211019 [users@httpd] Regarding CVE-2021-40438",
                "url": "https://lists.apache.org/thread.html/r210807d0bb55f4aa6fbe1512be6bcc4dacd64e84940429fba329967a@%3Cusers.httpd.apache.org%3E"
            },
            {
                "refsource": "MLIST",
                "name": "[httpd-users] 20211019 Re: [users@httpd] Regarding CVE-2021-40438",
                "url": "https://lists.apache.org/thread.html/rf6954e60b1c8e480678ce3d02f61b8a788997785652e9557a3265c00@%3Cusers.httpd.apache.org%3E"
            },
            {
                "refsource": "CISCO",
                "name": "20211124 Multiple Vulnerabilities in Apache HTTP Server Affecting Cisco Products: November 2021",
                "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apache-httpd-2.4.49-VWL69sWQ"
            },
            {
                "url": "https://www.oracle.com/security-alerts/cpujan2022.html",
                "refsource": "MISC",
                "name": "https://www.oracle.com/security-alerts/cpujan2022.html"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://www.tenable.com/security/tns-2021-17",
                "url": "https://www.tenable.com/security/tns-2021-17"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://security.netapp.com/advisory/ntap-20211008-0004/",
                "url": "https://security.netapp.com/advisory/ntap-20211008-0004/"
            },
            {
                "url": "https://www.oracle.com/security-alerts/cpuapr2022.html",
                "refsource": "MISC",
                "name": "https://www.oracle.com/security-alerts/cpuapr2022.html"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-685781.pdf",
                "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-685781.pdf"
            },
            {
                "refsource": "GENTOO",
                "name": "GLSA-202208-20",
                "url": "https://security.gentoo.org/glsa/202208-20"
            }
        ]
    },
    "source": {
        "discovery": "UNKNOWN"
    },
    "timeline": [
        {
            "lang": "eng",
            "time": "2021-09-16",
            "value": "2.4.49 released"
        }
    ]
}