fkie_cve-2021-30478
Vulnerability from fkie_nvd
Published
2021-04-15 00:15
Modified
2024-11-21 06:04
Severity ?
Summary
An issue was discovered in Zulip Server before 3.4. A bug in the implementation of the can_forge_sender permission (previously is_api_super_user) resulted in users with this permission being able to send messages appearing as if sent by a system bot, including to other organizations hosted by the same Zulip installation.
References
| ▶ | URL | Tags | |
|---|---|---|---|
| cve@mitre.org | https://blog.zulip.com/2021/04/14/zulip-server-3-4/ | Release Notes, Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://blog.zulip.com/2021/04/14/zulip-server-3-4/ | Release Notes, Vendor Advisory |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| zulip | zulip_server | * |
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:zulip:zulip_server:*:*:*:*:*:*:*:*",
"matchCriteriaId": "09622761-7CB9-4FD7-82B0-B80CD94D296D",
"versionEndExcluding": "3.4",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "An issue was discovered in Zulip Server before 3.4. A bug in the implementation of the can_forge_sender permission (previously is_api_super_user) resulted in users with this permission being able to send messages appearing as if sent by a system bot, including to other organizations hosted by the same Zulip installation."
},
{
"lang": "es",
"value": "Se detect\u00f3 un problema en Zulip Server versiones anteriores a 3.4.\u0026#xa0;Un bug en la implementaci\u00f3n del permiso can_forge_sender (anteriormente es_api_super_user) hizo a unos usuarios con este permiso pudieran enviar mensajes que parec\u00edan enviados por un bot del sistema, inclusive a otras organizaciones alojadas por la misma instalaci\u00f3n de Zulip"
}
],
"id": "CVE-2021-30478",
"lastModified": "2024-11-21T06:04:00.263",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "NONE",
"baseScore": 4.0,
"confidentialityImpact": "NONE",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:S/C:N/I:P/A:N",
"version": "2.0"
},
"exploitabilityScore": 8.0,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 4.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 1.4,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2021-04-15T00:15:13.107",
"references": [
{
"source": "cve@mitre.org",
"tags": [
"Release Notes",
"Vendor Advisory"
],
"url": "https://blog.zulip.com/2021/04/14/zulip-server-3-4/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Release Notes",
"Vendor Advisory"
],
"url": "https://blog.zulip.com/2021/04/14/zulip-server-3-4/"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-269"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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