CVE-2021-30640

Source
https://cve.org/CVERecord?id=CVE-2021-30640
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-30640.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-30640
Aliases
Downstream
Related
Published
2021-07-12T15:15:08.367Z
Modified
2026-03-14T14:49:29.462235Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N CVSS Calculator
Summary
[none]
Details

A vulnerability in the JNDI Realm of Apache Tomcat allows an attacker to authenticate using variations of a valid user name and/or to bypass some of the protection provided by the LockOut Realm. This issue affects Apache Tomcat 10.0.0-M1 to 10.0.5; 9.0.0.M1 to 9.0.45; 8.5.0 to 8.5.65.

References

Affected packages

Git / github.com/apache/tomcat

Affected ranges

Type
GIT
Repo
https://github.com/apache/tomcat
Events
Introduced
Fixed
Introduced
Fixed
Introduced
Fixed
Introduced
Fixed
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
Database specific
{
    "versions": [
        {
            "introduced": "7.0.0"
        },
        {
            "fixed": "7.0.109"
        },
        {
            "introduced": "8.5.0"
        },
        {
            "fixed": "8.5.66"
        },
        {
            "introduced": "9.0.0"
        },
        {
            "fixed": "9.0.46"
        },
        {
            "introduced": "10.0.0"
        },
        {
            "fixed": "10.0.6"
        },
        {
            "introduced": "0"
        },
        {
            "last_affected": "9.0"
        },
        {
            "introduced": "0"
        },
        {
            "last_affected": "10.0"
        },
        {
            "introduced": "0"
        },
        {
            "last_affected": "11.0"
        }
    ]
}

Database specific

unresolved_ranges
[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "1.14.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "8.0.0"
            },
            {
                "last_affected": "8.5.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "12.0.0.3.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "20.1.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "7.4.0"
            },
            {
                "last_affected": "7.7.1"
            }
        ]
    }
]
source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-30640.json"