UBUNTU-CVE-2021-4020

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Source
https://ubuntu.com/security/CVE-2021-4020
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-4020.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2021-4020
Upstream
Published
2021-11-27T10:15:00Z
Modified
2025-10-24T04:49:58Z
Severity
  • 8.8 (High) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • 5.4 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

janus-gateway is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

References

Affected packages

Ubuntu:18.04:LTS / janus

Package

Name
janus
Purl
pkg:deb/ubuntu/janus@0.2.6-1build2?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

0.*

0.2.4-2
0.2.5-1
0.2.6-1
0.2.6-1build1
0.2.6-1build2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.2.6-1build2",
            "binary_name": "janus"
        },
        {
            "binary_version": "0.2.6-1build2",
            "binary_name": "janus-demos"
        },
        {
            "binary_version": "0.2.6-1build2",
            "binary_name": "janus-dev"
        },
        {
            "binary_version": "0.2.6-1build2",
            "binary_name": "janus-tools"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-4020.json"

Ubuntu:20.04:LTS / janus

Package

Name
janus
Purl
pkg:deb/ubuntu/janus@0.7.3-2build1?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

0.*

0.7.3-2
0.7.3-2build1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.7.3-2build1",
            "binary_name": "janus"
        },
        {
            "binary_version": "0.7.3-2build1",
            "binary_name": "janus-demos"
        },
        {
            "binary_version": "0.7.3-2build1",
            "binary_name": "janus-dev"
        },
        {
            "binary_version": "0.7.3-2build1",
            "binary_name": "janus-tools"
        },
        {
            "binary_version": "0.7.3-2build1",
            "binary_name": "libjs-janus"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-4020.json"

Ubuntu:22.04:LTS / janus

Package

Name
janus
Purl
pkg:deb/ubuntu/janus@0.11.8-3?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

0.*

0.11.2-1
0.11.5-1
0.11.5-1ubuntu1
0.11.5-3
0.11.5-4
0.11.6-1
0.11.7-1
0.11.8-1
0.11.8-2
0.11.8-3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.11.8-3",
            "binary_name": "janus"
        },
        {
            "binary_version": "0.11.8-3",
            "binary_name": "janus-demos"
        },
        {
            "binary_version": "0.11.8-3",
            "binary_name": "janus-dev"
        },
        {
            "binary_version": "0.11.8-3",
            "binary_name": "janus-tools"
        },
        {
            "binary_version": "0.11.8-3",
            "binary_name": "libjs-janus"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-4020.json"