ruby-carrierwave — security advisory
CarrierWave is an open-source RubyGem which provides a simple and flexible way to upload files from Ruby applications. In CarrierWave before versions 1.3.2 and 2.1.1 the download feature has an SSRF vulnerability, allowing attacks to provide DNS entries or IP addresses that are intended for internal use and gather information about the Intranet infrastructure of the platform. This is fixed in versions 1.3.2 and 2.1.1.
- Products
- ruby-carrierwave
- Affected versions
- Not specified
- Fixed versions
- 1.3.2-1
- CVEs
- CVE-2021-21288
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 00:20 UTC · Revision 1
Source evidence
CarrierWave is an open-source RubyGem which provides a simple and flexible way to upload files from Ruby applications. In CarrierWave before versions 1.3.2 and 2.1.1 the download feature has an SSRF vulnerability, allowing attacks to provide DNS entries or IP addresses that are intended for internal use and gather information about the Intranet infrastructure of the platform. This is fixed in versions 1.3.2 and 2.1.1.
osv:DEBIAN-CVE-2021-21288
ruby-carrierwave
Fixed versions: 1.3.2-1
Complete source record
{
"id": "9597ed17c10d9665e5d1c79b2e5bf7e22a91f6abb6dbdad33f3c1b8e837a7fff",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2021-21288",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2021-21288",
"summary": "CarrierWave is an open-source RubyGem which provides a simple and flexible way to upload files from Ruby applications. In CarrierWave before versions 1.3.2 and 2.1.1 the download feature has an SSRF vulnerability, allowing attacks to provide DNS entries or IP addresses that are intended for internal use and gather information about the Intranet infrastructure of the platform. This is fixed in versions 1.3.2 and 2.1.1.",
"evidence": "osv:DEBIAN-CVE-2021-21288",
"products": [
{
"name": {
"value": "ruby-carrierwave",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.3.2-1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
}
],
"severity": "medium",
"structured": {
"id": "DEBIAN-CVE-2021-21288",
"aliases": [
"DEBIAN-CVE-2021-21288"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.3.2-1"
}
]
}
],
"package": {
"name": "ruby-carrierwave",
"purl": "pkg:deb/debian/ruby-carrierwave?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-21288.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-23T18:03:11.690371562Z",
"provider": "osv",
"upstream": [
"CVE-2021-21288"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2021-21288"
]
},
"related_cves": [
{
"value": "CVE-2021-21288",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 420761,
"published_at": "2021-02-08T20:15:12.277+00:00"
}