fkie_cve-2020-27782
Vulnerability from fkie_nvd
Published
2021-02-23 19:15
Modified
2024-11-21 05:21
Severity ?
Summary
A flaw was found in the Undertow AJP connector. Malicious requests and abrupt connection closes could be triggered by an attacker using query strings with non-RFC compliant characters resulting in a denial of service. The highest threat from this vulnerability is to system availability. This affects Undertow 2.1.5.SP1, 2.0.33.SP2, and 2.2.3.SP1.
References
| URL | Tags | ||
|---|---|---|---|
| secalert@redhat.com | https://bugzilla.redhat.com/show_bug.cgi?id=1901304 | Issue Tracking, Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://bugzilla.redhat.com/show_bug.cgi?id=1901304 | Issue Tracking, Vendor Advisory |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| redhat | jboss_fuse | 6.0.0 | |
| redhat | jboss_fuse | 7.0.0 | |
| redhat | openshift_application_runtimes | - | |
| redhat | undertow | 2.0.33 | |
| redhat | undertow | 2.1.5 | |
| redhat | undertow | 2.2.3 |
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
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"criteria": "cpe:2.3:a:redhat:jboss_fuse:6.0.0:*:*:*:*:*:*:*",
"matchCriteriaId": "A305F012-544E-4245-9D69-1C8CD37748B1",
"vulnerable": true
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"criteria": "cpe:2.3:a:redhat:jboss_fuse:7.0.0:*:*:*:*:*:*:*",
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{
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"negate": false,
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],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A flaw was found in the Undertow AJP connector. Malicious requests and abrupt connection closes could be triggered by an attacker using query strings with non-RFC compliant characters resulting in a denial of service. The highest threat from this vulnerability is to system availability. This affects Undertow 2.1.5.SP1, 2.0.33.SP2, and 2.2.3.SP1."
},
{
"lang": "es",
"value": "Se encontr\u00f3 un fallo en el conector AJP de Undertow.\u0026#xa0;Peticiones maliciosas y cierres de conexiones abruptas podr\u00edan ser desencadenadas por un atacante usando cadenas de consulta con caracteres que no cumplen con RFC, resultando en una denegaci\u00f3n de servicio.\u0026#xa0;La mayor amenaza de esta vulnerabilidad es la disponibilidad del sistema.\u0026#xa0;Esto afecta a Undertow versiones 2.1.5.SP1, 2.0.33.SP2 y 2.2.3.SP1"
}
],
"id": "CVE-2020-27782",
"lastModified": "2024-11-21T05:21:49.550",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "HIGH",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 7.8,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 6.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
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"cvssMetricV31": [
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"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
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"impactScore": 3.6,
"source": "nvd@nist.gov",
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"published": "2021-02-23T19:15:13.150",
"references": [
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"tags": [
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],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
"weaknesses": [
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"description": [
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"lang": "en",
"value": "CWE-400"
}
],
"source": "secalert@redhat.com",
"type": "Primary"
}
]
}
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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.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- 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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