UBUNTU-CVE-2021-42096

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Source
https://ubuntu.com/security/CVE-2021-42096
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-42096.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2021-42096
Upstream
Downstream
Related
Published
2021-10-21T00:00:00Z
Modified
2026-02-04T03:38:13.489551Z
Severity
  • 4.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N CVSS Calculator
  • Ubuntu - high
Summary
[none]
Details

GNU Mailman before 2.1.35 may allow remote Privilege Escalation. A certain csrf_token value is derived from the admin password, and may be useful in conducting a brute-force attack against that password.

References

Affected packages

Ubuntu:Pro:16.04:LTS / mailman

Package

Name
mailman
Purl
pkg:deb/ubuntu/mailman@1:2.1.20-1ubuntu0.6+esm1?arch=source&distro=esm-infra/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:2.1.20-1ubuntu0.6+esm1

Affected versions

1:2.*
1:2.1.20-1
1:2.1.20-1ubuntu0.1
1:2.1.20-1ubuntu0.3
1:2.1.20-1ubuntu0.4
1:2.1.20-1ubuntu0.5
1:2.1.20-1ubuntu0.6

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "mailman",
            "binary_version": "1:2.1.20-1ubuntu0.6+esm1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-42096.json"

Ubuntu:18.04:LTS / mailman

Package

Name
mailman
Purl
pkg:deb/ubuntu/mailman@1:2.1.26-1ubuntu0.4?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:2.1.26-1ubuntu0.4

Affected versions

1:2.*
1:2.1.23-1
1:2.1.24-1
1:2.1.25-1
1:2.1.26-1
1:2.1.26-1ubuntu0.1
1:2.1.26-1ubuntu0.2
1:2.1.26-1ubuntu0.3

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "mailman",
            "binary_version": "1:2.1.26-1ubuntu0.4"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-42096.json"

Ubuntu:20.04:LTS / mailman

Package

Name
mailman
Purl
pkg:deb/ubuntu/mailman@1:2.1.29-1ubuntu3.1?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:2.1.29-1ubuntu3.1

Affected versions

1:2.*
1:2.1.29-1
1:2.1.29-1build1
1:2.1.29-1ubuntu3

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "mailman",
            "binary_version": "1:2.1.29-1ubuntu3.1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-42096.json"