CVE-2019-20444 (GCVE-0-2019-20444)
Vulnerability from cvelistv5 – Published: 2020-01-29 20:33 – Updated: 2025-07-01 18:01
VLAI?
Summary
HttpObjectDecoder.java in Netty before 4.1.44 allows an HTTP header that lacks a colon, which might be interpreted as a separate header with an incorrect syntax, or might be interpreted as an "invalid fold."
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
67 references
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{
"name": "[geode-dev] 20200408 Proposal to bring GEODE-7969 to support/1.12",
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{
"name": "[cassandra-commits] 20200604 [jira] [Created] (CASSANDRA-15856) Security vulnerabilities with dependency jars of Cassandra 3.11.6",
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"url": "https://lists.apache.org/thread.html/r4d3f1d3e333d9c2b2f6e6ae8ed8750d4de03410ac294bcd12c7eefa3@%3Ccommits.cassandra.apache.org%3E"
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{
"name": "[bookkeeper-issues] 20200729 [GitHub] [bookkeeper] padma81 opened a new issue #2387: Security vulnerabilities in the apache/bookkeeper-4.9.2 image",
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"url": "https://lists.apache.org/thread.html/r1b103833cb5bc8466e24ff0ecc5e75b45a705334ab6a444e64e840a0@%3Cissues.bookkeeper.apache.org%3E"
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{
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{
"name": "[camel-commits] 20201120 [camel] branch camel-2.25.x updated: Updating Netty to 4.1.48.Final to fix some CVEs (e.g. CVE-2019-16869, CVE-2019-20444)",
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{
"name": "[flink-issues] 20200910 [jira] [Created] (FLINK-19195) question on security vulnerabilities in flink",
"refsource": "MLIST",
"url": "https://lists.apache.org/thread.html/raaac04b7567c554786132144bea3dcb72568edd410c1e6f0101742e7@%3Cissues.flink.apache.org%3E"
},
{
"name": "[flink-dev] 20200910 [jira] [Created] (FLINK-19195) question on security vulnerabilities in flink",
"refsource": "MLIST",
"url": "https://lists.apache.org/thread.html/rf5b2dfb7401666a19915f8eaef3ba9f5c3386e2066fcd2ae66e16a2f@%3Cdev.flink.apache.org%3E"
},
{
"name": "USN-4532-1",
"refsource": "UBUNTU",
"url": "https://usn.ubuntu.com/4532-1/"
},
{
"name": "FEDORA-2020-66b5f85ccc",
"refsource": "FEDORA",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TS6VX7OMXPDJIU5LRGUAHRK6MENAVJ46/"
},
{
"name": "[camel-commits] 20201120 [camel] branch camel-2.25.x updated: Updating Netty to 4.1.48.Final to fix some CVEs (e.g. CVE-2019-16869, CVE-2019-20444)",
"refsource": "MLIST",
"url": "https://lists.apache.org/thread.html/r0aa8b28e76ec01c697b15e161e6797e88fc8d406ed762e253401106e@%3Ccommits.camel.apache.org%3E"
},
{
"name": "[pulsar-commits] 20201215 [GitHub] [pulsar] yanshuchong opened a new issue #8967: CVSS issue list",
"refsource": "MLIST",
"url": "https://lists.apache.org/thread.html/rd0e44e8ef71eeaaa3cf3d1b8b41eb25894372e2995ec908ce7624d26@%3Ccommits.pulsar.apache.org%3E"
},
{
"name": "[pulsar-commits] 20210120 [GitHub] [pulsar] fmiguelez opened a new issue #9249: Upgrade Netty dependency in broker to solve vulnerabilities: CVE-2019-16869, CVE-2020-11612, CVE-2019-20445, CVE-2019-20444",
"refsource": "MLIST",
"url": "https://lists.apache.org/thread.html/r832724df393a7ef25ca4c7c2eb83ad2d6c21c74569acda5233f9f1ec@%3Ccommits.pulsar.apache.org%3E"
},
{
"name": "[pulsar-commits] 20210121 [GitHub] [pulsar] hpvd commented on issue #9249: Upgrade Netty dependency in broker to solve vulnerabilities: CVE-2019-16869, CVE-2020-11612, CVE-2019-20445, CVE-2019-20444",
"refsource": "MLIST",
"url": "https://lists.apache.org/thread.html/r7790b9d99696d9eddce8a8c96f13bb68460984294ea6fea3800143e4@%3Ccommits.pulsar.apache.org%3E"
},
{
"name": "[pulsar-commits] 20210122 [GitHub] [pulsar] hpvd commented on issue #9249: Upgrade Netty dependency in broker to solve vulnerabilities: CVE-2019-16869, CVE-2020-11612, CVE-2019-20445, CVE-2019-20444",
"refsource": "MLIST",
"url": "https://lists.apache.org/thread.html/rdb69125652311d0c41f6066ff44072a3642cf33a4b5e3c4f9c1ec9c2@%3Ccommits.pulsar.apache.org%3E"
},
{
"name": "DSA-4885",
"refsource": "DEBIAN",
"url": "https://www.debian.org/security/2021/dsa-4885"
},
{
"name": "[flink-issues] 20210426 [jira] [Commented] (FLINK-22441) In Flink v1.11.3 contains netty(version:3.10.6) netty(version:4.1.60) . There are many vulnerabilities, like CVE-2021-21409 etc. please confirm these version and fix. thx",
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"url": "https://lists.apache.org/thread.html/rd8f72411fb75b98d366400ae789966373b5c3eb3f511e717caf3e49e@%3Cissues.flink.apache.org%3E"
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{
"name": "[spark-issues] 20210824 [jira] [Created] (SPARK-36572) Upgrade version of io.netty to 4.1.44.Final to solve CVE-2019-20444 and CVE-2019-20445",
"refsource": "MLIST",
"url": "https://lists.apache.org/thread.html/r2f2989b7815d809ff3fda8ce330f553e5f133505afd04ffbc135f35f@%3Cissues.spark.apache.org%3E"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"assignerShortName": "mitre",
"cveId": "CVE-2019-20444",
"datePublished": "2020-01-29T20:33:17.000Z",
"dateReserved": "2020-01-29T00:00:00.000Z",
"dateUpdated": "2025-07-01T18:01:08.474Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2019-20444",
"date": "2026-05-24",
"epss": "0.17932",
"percentile": "0.95237"
},
"fkie_nvd": {
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"descriptions": "[{\"lang\": \"en\", \"value\": \"HttpObjectDecoder.java in Netty before 4.1.44 allows an HTTP header that lacks a colon, which might be interpreted as a separate header with an incorrect syntax, or might be interpreted as an \\\"invalid fold.\\\"\"}, {\"lang\": \"es\", \"value\": \"El archivo HttpObjectDecoder.java en Netty versiones anteriores a 4.1.44, permite un encabezado HTTP que carece de \\\":\\\" dos puntos, que podr\\u00eda ser interpretado como un encabezado separado con una sintaxis incorrecta, o podr\\u00eda ser interpretado como un \\\"invalid fold.\\\"\"}]",
"id": "CVE-2019-20444",
"lastModified": "2024-11-21T04:38:29.823",
"metrics": "{\"cvssMetricV31\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N\", \"baseScore\": 9.1, \"baseSeverity\": \"CRITICAL\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"NONE\"}, \"exploitabilityScore\": 3.9, \"impactScore\": 5.2}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:N/AC:L/Au:N/C:P/I:P/A:N\", \"baseScore\": 6.4, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"LOW\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"PARTIAL\", \"integrityImpact\": \"PARTIAL\", \"availabilityImpact\": \"NONE\"}, \"baseSeverity\": \"MEDIUM\", \"exploitabilityScore\": 10.0, \"impactScore\": 4.9, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
"published": "2020-01-29T21:15:11.047",
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"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-444\"}]}]"
},
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}
}
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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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