ubuntu-cve-2021-21441
Vulnerability from osv_ubuntu
Published
2021-06-16 10:15
Modified
2025-10-24 04:50
Summary
Details
There is a XSS vulnerability in the ticket overview screens. It's possible to collect various information by having an e-mail shown in the overview screen. Attack can be performed by sending specially crafted e-mail to the system and it doesn't require any user intraction. This issue affects: OTRS AG ((OTRS)) Community Edition 6.0.x version 6.0.1 and later versions. OTRS AG OTRS 7.0.x version 7.0.26 and prior versions.
Severity
7.5 (High)
7.5 (High)
N/A (UNKNOWN)
References
{
"affected": [
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "otrs",
"binary_version": "5.0.7-1"
},
{
"binary_name": "otrs2",
"binary_version": "5.0.7-1"
}
]
},
"package": {
"ecosystem": "Ubuntu:16.04:LTS",
"name": "otrs2",
"purl": "pkg:deb/ubuntu/otrs2@5.0.7-1?arch=source\u0026distro=xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"4.0.10-1",
"5.0.1-1",
"5.0.1-2",
"5.0.2-1",
"5.0.3-1",
"5.0.5-1",
"5.0.6-1",
"5.0.7-1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "otrs",
"binary_version": "6.0.5-1"
},
{
"binary_name": "otrs2",
"binary_version": "6.0.5-1"
}
]
},
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "otrs2",
"purl": "pkg:deb/ubuntu/otrs2@6.0.5-1?arch=source\u0026distro=bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"5.0.23-1",
"5.0.24-1",
"6.0.1-1",
"6.0.2-1",
"6.0.3-1",
"6.0.4-1",
"6.0.5-1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "otrs",
"binary_version": "6.0.26-1"
},
{
"binary_name": "otrs2",
"binary_version": "6.0.26-1"
}
]
},
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "otrs2",
"purl": "pkg:deb/ubuntu/otrs2@6.0.26-1?arch=source\u0026distro=focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"6.0.20-1",
"6.0.23-2",
"6.0.24-1",
"6.0.25-1",
"6.0.25-2",
"6.0.25-3",
"6.0.26-1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "otrs2",
"binary_version": "6.2.2-2"
}
]
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "otrs2",
"purl": "pkg:deb/ubuntu/otrs2@6.2.2-2?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"6.0.32-6",
"6.1.2-1",
"6.2.1-1",
"6.2.2-2"
]
}
],
"aliases": [],
"details": "There is a XSS vulnerability in the ticket overview screens. It\u0027s possible to collect various information by having an e-mail shown in the overview screen. Attack can be performed by sending specially crafted e-mail to the system and it doesn\u0027t require any user intraction. This issue affects: OTRS AG ((OTRS)) Community Edition 6.0.x version 6.0.1 and later versions. OTRS AG OTRS 7.0.x version 7.0.26 and prior versions.",
"id": "UBUNTU-CVE-2021-21441",
"modified": "2025-10-24T04:50:07Z",
"published": "2021-06-16T10:15:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2021-21441"
},
{
"type": "REPORT",
"url": "https://otrs.com/release-notes/otrs-security-advisory-2021-11/"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-21441"
}
],
"related": [],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2021-21441"
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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