Critical
Security advisory
In Twisted Web through 19.10.0, there was an HTTP request splitting vulnerability. When presented with two content-length headers, it ignored the first header. When the second content-length value was set to zero, the request body was interpreted as a pipelined request.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2020-10108
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 05:22 UTC · Revision 1
Source evidence
In Twisted Web through 19.10.0, there was an HTTP request splitting vulnerability. When presented with two content-length headers, it ignored the first header. When the second content-length value was set to zero, the request body was interpreted as a pipelined request.
osv:CVE-2020-10108
Complete source record
{
"id": "c339d979853e0e02255d58f49d304d10d316a3de83bcc001dd032148c0cc3f6e",
"url": "https://osv.dev/vulnerability/CVE-2020-10108",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2020-10108",
"summary": "In Twisted Web through 19.10.0, there was an HTTP request splitting vulnerability. When presented with two content-length headers, it ignored the first header. When the second content-length value was set to zero, the request body was interpreted as a pipelined request.",
"evidence": "osv:CVE-2020-10108",
"products": [],
"severity": "critical",
"structured": {
"id": "CVE-2020-10108",
"aliases": [
"CVE-2020-10108",
"GHSA-h96w-mmrf-2h6v",
"PYSEC-2020-259"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/twisted/twisted",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"last_affected": "c0a51509974e995537212efc5074140388585da6"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:twisted:twisted:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"last_affected": "19.10.0"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"twisted-19.10.0",
"before-black"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-10108.json"
}
}
],
"modified": "2026-10-24T10:30:27.888222470Z",
"provider": "osv",
"references": [
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6ISMZFZBWW4EV6ETJGXAYIXN3AT7GBPL/",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YW3NIL7VXSGJND2Q4BSXM3CFTAFU6T7D/",
"https://know.bishopfox.com/advisories/twisted-version-19.10.0",
"https://lists.debian.org/debian-lts-announce/2022/02/msg00021.html",
"https://security.gentoo.org/glsa/202007-24",
"https://usn.ubuntu.com/4308-1/",
"https://usn.ubuntu.com/4308-2/",
"https://www.oracle.com/security-alerts/cpuoct2020.html",
"https://know.bishopfox.com/advisories"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*"
],
"vendor_product": "canonical:ubuntu_linux",
"extracted_events": [
{
"range": [
{
"introduced": "14.04"
},
{
"last_affected": "14.04"
},
{
"introduced": "16.04"
},
{
"last_affected": "16.04"
},
{
"introduced": "18.04"
},
{
"last_affected": "18.04"
},
{
"introduced": "19.10"
},
{
"last_affected": "19.10"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
],
"vendor_product": "debian:debian_linux",
"extracted_events": [
{
"range": [
{
"introduced": "9.0"
},
{
"last_affected": "9.0"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*",
"cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*"
],
"vendor_product": "fedoraproject:fedora",
"extracted_events": [
{
"range": [
{
"introduced": "31"
},
{
"last_affected": "31"
},
{
"introduced": "32"
},
{
"last_affected": "32"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:oracle:solaris:10:*:*:*:*:*:*:*",
"cpe:2.3:o:oracle:solaris:11:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:solaris",
"extracted_events": [
{
"range": [
{
"introduced": "10"
},
{
"last_affected": "10"
},
{
"introduced": "11"
},
{
"last_affected": "11"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:zfs_storage_appliance_kit",
"extracted_events": [
{
"range": [
{
"introduced": "8.8"
},
{
"last_affected": "8.8"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2020-10108",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 431919,
"published_at": "2020-03-12T13:15:12.293+00:00"
}