FKIE_CVE-2020-27822
Vulnerability from fkie_nvd - Published: 2020-12-08 01:15 - Updated: 2026-06-17 03:09
Severity
Summary
A flaw was found in Wildfly affecting versions 19.0.0.Final, 19.1.0.Final, 20.0.0.Final, 20.0.1.Final, and 21.0.0.Final. When an application uses the OpenTracing API's java-interceptors, there is a possibility of a memory leak. This flaw allows an attacker to impact the availability of the server. The highest threat from this vulnerability is to system availability.
References
| URL | Tags | ||
|---|---|---|---|
| secalert@redhat.com | https://bugzilla.redhat.com/show_bug.cgi?id=1904060 | Issue Tracking, Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://bugzilla.redhat.com/show_bug.cgi?id=1904060 | Issue Tracking, Vendor Advisory |
{
"affected": [
{
"affectedData": [
{
"product": "wildfly",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "19.0.0.Final, 19.1.0.Final, 20.0.0.Final, 20.0.1.Final, 21.0.0.Final"
}
]
}
],
"source": "secalert@redhat.com"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:redhat:wildfly:19.0.0:*:*:*:*:*:*:*",
"matchCriteriaId": "D90E2085-2D90-46CE-9EC6-091126EE8157",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:redhat:wildfly:19.1.0:*:*:*:*:*:*:*",
"matchCriteriaId": "DDCA87E4-E6B3-4E83-8FB5-E1010DFAF6FA",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:redhat:wildfly:20.0.0:*:*:*:*:*:*:*",
"matchCriteriaId": "B2CCEF28-7139-4834-985E-1AF6CFEC7DB0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:redhat:wildfly:20.0.1:*:*:*:*:*:*:*",
"matchCriteriaId": "220ACF24-36E1-4904-889F-67FB804D22AF",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:redhat:wildfly:21.0.0:*:*:*:*:*:*:*",
"matchCriteriaId": "D16601AC-5F6A-4506-97AA-6C53B6740057",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A flaw was found in Wildfly affecting versions 19.0.0.Final, 19.1.0.Final, 20.0.0.Final, 20.0.1.Final, and 21.0.0.Final. When an application uses the OpenTracing API\u0027s java-interceptors, there is a possibility of a memory leak. This flaw allows an attacker to impact the availability of the server. The highest threat from this vulnerability is to system availability."
},
{
"lang": "es",
"value": "Se encontr\u00f3 un fallo en Wildfly afectando a versiones 19.0.0.Final, 19.1.0.Final, 20.0.0.Final, 20.0.1.Final y 21.0.0.Final. Cuando una aplicaci\u00f3n usa los interceptores java de la API OpenTracing, existe la posibilidad de una p\u00e9rdida de memoria. Este fallo permite a un atacante afectar la disponibilidad del servidor. La mayor amenaza de esta vulnerabilidad es la disponibilidad del sistema"
}
],
"id": "CVE-2020-27822",
"lastModified": "2026-06-17T03:09:41.143",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "HIGH",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 7.1,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:C",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 6.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 5.9,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 2.2,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2020-12-08T01:15:12.413",
"references": [
{
"source": "secalert@redhat.com",
"tags": [
"Issue Tracking",
"Vendor Advisory"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1904060"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Issue Tracking",
"Vendor Advisory"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1904060"
}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-401"
}
],
"source": "secalert@redhat.com",
"type": "Secondary"
}
]
}
Loading…
Loading…
Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.
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.
Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
Loading timeline…
Loading…
Loading…
The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Loading…
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.