CVE-2021-35207 (GCVE-0-2021-35207)
Vulnerability from cvelistv5 – Published: 2021-07-02 18:55 – Updated: 2024-08-04 00:33
VLAI
EPSS
VEX
Summary
An issue was discovered in Zimbra Collaboration Suite 8.8 before 8.8.15 Patch 23 and 9.0 before 9.0.0 Patch 16. An XSS vulnerability exists in the login component of Zimbra Web Client, in which an attacker can execute arbitrary JavaScript by adding executable JavaScript to the loginErrorCode parameter of the login url.
Severity
6.1 (Medium)
CWE
- n/a
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories | x_refsource_MISC |
| https://wiki.zimbra.com/wiki/Security_Center | x_refsource_MISC |
| https://wiki.zimbra.com/wiki/Zimbra_Releases/9.0.0/P16 | x_refsource_MISC |
| https://wiki.zimbra.com/wiki/Zimbra_Releases/8.8.15/P23 | x_refsource_MISC |
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"negate": false,
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]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "An issue was discovered in Zimbra Collaboration Suite 8.8 before 8.8.15 Patch 23 and 9.0 before 9.0.0 Patch 16. An XSS vulnerability exists in the login component of Zimbra Web Client, in which an attacker can execute arbitrary JavaScript by adding executable JavaScript to the loginErrorCode parameter of the login url."
},
{
"lang": "es",
"value": "Se presenta una vulnerabilidad de redireccionamiento abierto en el servlet /preauth de Zimbra Collaboration Suite versiones hasta 9.0. Para explotar la vulnerabilidad, un atacante necesitar\u00eda haber obtenido un token de autenticaci\u00f3n v\u00e1lido de Zimbra o un token de preautenticaci\u00f3n v\u00e1lido. Una vez obtenido el token, un atacante podr\u00eda redirigir a un usuario a cualquier URL por medio de isredirect=1\u0026amp;redirectURL= en conjunto con los datos del token (por ejemplo, un valor authtoken= v\u00e1lido)"
}
],
"id": "CVE-2021-35207",
"lastModified": "2024-11-21T06:12:03.363",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
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"accessVector": "NETWORK",
"authentication": "NONE",
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"baseScore": 4.3,
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"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
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},
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],
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"references": [
{
"source": "cve@mitre.org",
"tags": [
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"url": "https://wiki.zimbra.com/wiki/Security_Center"
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{
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"current_release_date": "2026-03-27T13:52:07+00:00",
"cve": "CVE-2021-35207",
"id": "CVE-2021-35207",
"initial_release_date": "2021-01-01T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "CVE-2021-35207",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-35207.json",
"version": "3"
}
}
}
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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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