CVE-2020-5207

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Source
https://cve.org/CVERecord?id=CVE-2020-5207
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-5207.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2020-5207
Aliases
Published
2020-01-27T20:15:10.980Z
Modified
2026-07-09T01:25:35.403595Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N CVSS Calculator
Summary
[none]
Details

In Ktor before 1.3.0, request smuggling is possible when running behind a proxy that doesn't handle Content-Length and Transfer-Encoding properly or doesn't handle \n as a headers separator.

References

Affected packages

Git / github.com/ktorio/ktor

Affected ranges

Type
GIT
Repo
https://github.com/ktorio/ktor
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
2dfa1798f0b026d781efd5e0bc4e6d9a5cfcec3e
Database specific
Show details 
{
    "source": "CPE_RANGE",
    "cpe": "cpe:2.3:a:jetbrains:ktor:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "1.3.0"
        }
    ]
}

Affected versions

0.*
0.9.0
0.9.0-alpha-2
0.9.0-alpha-3
0.9.1
0.9.1-alpha-10
0.9.1-alpha-4
0.9.1-alpha-5
0.9.1-alpha-6
0.9.1-alpha-7
0.9.1-alpha-8
0.9.1-alpha-9
0.9.2
0.9.2-alpha-1
0.9.2-alpha-2
0.9.2-alpha-3
0.9.2-alpha-4
0.9.2-alpha-5
0.9.2-alpha-6
0.9.3-alpha-1
0.9.3-alpha-2
0.9.3-alpha-3
0.9.3-alpha-4
0.9.4
0.9.4-alpha-2
0.9.4-dev-3
0.9.5
1.*
1.0.0
1.0.0-alpha-1
1.0.0-alpha-2
1.0.0-alpha-3
1.0.0-beta-1
1.0.0-beta-2
1.0.0-beta-3
1.0.0-beta-4
1.0.0-rc
1.0.1
1.1.0
1.1.1
1.1.2
1.2.0
1.2.0-alpha-1
1.2.0-alpha-2
1.2.0-rc
1.2.0-rc2
1.2.1
1.2.2
1.2.3
1.2.3-rc
1.3.0-beta-1
1.3.0-beta-2
1.3.0-rc
1.3.0-rc2
build-0.*
build-0.4.0-alpha-10
build-0.4.0-alpha-11
build-0.4.0-alpha-12
build-0.4.0-alpha-13
build-0.4.0-alpha-14
build-0.4.0-alpha-15
build-0.4.0-alpha-6
build-0.4.0-alpha-7
build-0.4.0-alpha-8
build-0.4.0-alpha-9
build-0.4.1-alpha-16
ktor-0.*
ktor-0.1.2
ktor-0.1.3
ktor-0.1.4
ktor-0.1.5
ktor-0.1.6
ktor-0.1.7
ktor-0.1.8
ktor-0.2.0
ktor-0.2.1
ktor-0.2.2
ktor-0.2.3
ktor-0.2.4
ktor-0.3.0
ktor-0.3.1
ktor-0.3.2
ktor-0.3.3
ktor-0.4.0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-5207.json"