{
    "CVE_data_meta": {
        "ASSIGNER": "security@apache.org",
        "ID": "CVE-2021-25122",
        "STATE": "PUBLIC",
        "TITLE": "Apache Tomcat h2c request mix-up"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Apache Tomcat",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_name": "Apache Tomcat 10",
                                            "version_value": "10.0.2"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "Apache Tomcat 9",
                                            "version_value": "9.0.42"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "Apache Tomcat 8.5",
                                            "version_value": "8.5.62"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "Apache Software Foundation"
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "When responding to new h2c connection requests, Apache Tomcat versions 10.0.0-M1 to 10.0.0, 9.0.0.M1 to 9.0.41 and 8.5.0 to 8.5.61 could duplicate request headers and a limited amount of request body from one request to another meaning user A and user B could both see the results of user A's request."
            }
        ]
    },
    "generator": {
        "engine": "Vulnogram 0.0.9"
    },
    "impact": {},
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-200 Information Exposure"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "MISC",
                "url": "https://lists.apache.org/thread.html/r7b95bc248603360501f18c8eb03bb6001ec0ee3296205b34b07105b7%40%3Cannounce.tomcat.apache.org%3E",
                "name": "https://lists.apache.org/thread.html/r7b95bc248603360501f18c8eb03bb6001ec0ee3296205b34b07105b7%40%3Cannounce.tomcat.apache.org%3E"
            },
            {
                "refsource": "MLIST",
                "name": "[tomcat-announce] 20210301 [SECURITY] CVE-2021-25122 Apache Tomcat h2c request mix-up",
                "url": "https://lists.apache.org/thread.html/r7b95bc248603360501f18c8eb03bb6001ec0ee3296205b34b07105b7@%3Cannounce.tomcat.apache.org%3E"
            },
            {
                "refsource": "MLIST",
                "name": "[tomcat-users] 20210301 [SECURITY] CVE-2021-25122 Apache Tomcat h2c request mix-up",
                "url": "https://lists.apache.org/thread.html/r7b95bc248603360501f18c8eb03bb6001ec0ee3296205b34b07105b7@%3Cusers.tomcat.apache.org%3E"
            },
            {
                "refsource": "MLIST",
                "name": "[tomcat-dev] 20210301 [SECURITY] CVE-2021-25122 Apache Tomcat h2c request mix-up",
                "url": "https://lists.apache.org/thread.html/r7b95bc248603360501f18c8eb03bb6001ec0ee3296205b34b07105b7@%3Cdev.tomcat.apache.org%3E"
            },
            {
                "refsource": "MLIST",
                "name": "[tomcat-dev] 20210301 svn commit: r1887027 - in /tomcat/site/trunk: docs/security-10.html docs/security-7.html docs/security-8.html docs/security-9.html xdocs/security-10.xml xdocs/security-7.xml xdocs/security-8.xml xdocs/security-9.xml",
                "url": "https://lists.apache.org/thread.html/rf6d5d57b114678d8898005faef31e9fd6d7c981fcc4ccfc3bc272fc9@%3Cdev.tomcat.apache.org%3E"
            },
            {
                "refsource": "MLIST",
                "name": "[announce] 20210301 [SECURITY] CVE-2021-25122 Apache Tomcat h2c request mix-up",
                "url": "https://lists.apache.org/thread.html/r7b95bc248603360501f18c8eb03bb6001ec0ee3296205b34b07105b7@%3Cannounce.apache.org%3E"
            },
            {
                "refsource": "MLIST",
                "name": "[oss-security] 20210301 CVE-2021-25122: Apache Tomcat h2c request mix-up",
                "url": "http://www.openwall.com/lists/oss-security/2021/03/01/1"
            },
            {
                "refsource": "MLIST",
                "name": "[tomcat-users] 20210305 RE: [SECURITY] CVE-2021-25122 Apache Tomcat h2c request mix-up",
                "url": "https://lists.apache.org/thread.html/rcd90bf36b1877e1310b87ecd14ed7bbb15da52b297efd9f0e7253a3b@%3Cusers.tomcat.apache.org%3E"
            },
            {
                "refsource": "MLIST",
                "name": "[tomcat-users] 20210305 Re: [SECURITY] CVE-2021-25122 Apache Tomcat h2c request mix-up",
                "url": "https://lists.apache.org/thread.html/rd0463f9a5cbc02a485404c4b990f0da452e5ac5c237808edba11c947@%3Cusers.tomcat.apache.org%3E"
            },
            {
                "refsource": "MLIST",
                "name": "[debian-lts-announce] 20210316 [SECURITY] [DLA 2596-1] tomcat8 security update",
                "url": "https://lists.debian.org/debian-lts-announce/2021/03/msg00018.html"
            },
            {
                "refsource": "DEBIAN",
                "name": "DSA-4891",
                "url": "https://www.debian.org/security/2021/dsa-4891"
            },
            {
                "url": "https://www.oracle.com//security-alerts/cpujul2021.html",
                "refsource": "MISC",
                "name": "https://www.oracle.com//security-alerts/cpujul2021.html"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://security.netapp.com/advisory/ntap-20210409-0002/",
                "url": "https://security.netapp.com/advisory/ntap-20210409-0002/"
            },
            {
                "url": "https://www.oracle.com/security-alerts/cpuoct2021.html",
                "refsource": "MISC",
                "name": "https://www.oracle.com/security-alerts/cpuoct2021.html"
            }
        ]
    },
    "source": {
        "discovery": "UNKNOWN"
    }
}