CVE-2021-39220 (GCVE-0-2021-39220)
Vulnerability from cvelistv5
Published
2021-10-25 18:55
Modified
2024-08-04 01:58
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
Nextcloud is an open-source, self-hosted productivity platform The Nextcloud Mail application prior to versions 1.10.4 and 1.11.0 does by default not render images in emails to not leak the read state or user IP. The privacy filter failed to filter images with a relative protocol. It is recommended that the Nextcloud Mail application is upgraded to 1.10.4 or 1.11.0. There are no known workarounds aside from upgrading.
References
| ► | URL | Tags | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
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Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| nextcloud | security-advisories |
Version: < 1.10.4, < 1.11.0 |
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"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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},
"references": [
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"x_transferred"
],
"url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-6q9v-wm8r-rcv5"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://github.com/nextcloud/mail/pull/5470"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://hackerone.com/reports/1308147"
}
],
"title": "CVE Program Container"
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"cna": {
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"product": "security-advisories",
"vendor": "nextcloud",
"versions": [
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}
],
"metrics": [
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"attackVector": "NETWORK",
"availabilityImpact": "NONE",
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"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
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"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N",
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"url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-6q9v-wm8r-rcv5"
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"discovery": "UNKNOWN"
},
"title": "Bypass of image blocking in Nextcloud Mail",
"x_legacyV4Record": {
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}
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N",
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"datePublished": "2021-10-25T18:55:14",
"dateReserved": "2021-08-16T00:00:00",
"dateUpdated": "2024-08-04T01:58:18.216Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
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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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