CVE-2020-5949 (GCVE-0-2020-5949)
Vulnerability from cvelistv5 – Published: 2020-12-11 19:01 – Updated: 2024-08-04 08:47
VLAI
EPSS
VEX
Summary
On BIG-IP versions 14.0.0-14.0.1 and 13.1.0-13.1.3.4, certain traffic pattern sent to a virtual server configured with an FTP profile can cause the FTP channel to break.
Severity
7.5 (High)
CWE
- DoS
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://support.f5.com/csp/article/K20984059 | x_refsource_CONFIRM |
Impacted products
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"criteria": "cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:*",
"matchCriteriaId": "4E8BB4A7-1BF1-4851-ABFB-3FB693CB2FF1",
"versionEndExcluding": "14.1.0",
"versionStartIncluding": "14.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*",
"matchCriteriaId": "5D29149D-4F16-4AFE-BDF1-6F7A9B2E1912",
"versionEndExcluding": "14.1.0",
"versionStartIncluding": "14.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:f5:big-ip_ddos_hybrid_defender:*:*:*:*:*:*:*:*",
"matchCriteriaId": "5E9950DA-83C8-4EA8-B861-860E528A9C53",
"versionEndExcluding": "14.1.0",
"versionStartIncluding": "14.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:*",
"matchCriteriaId": "CF2E70B9-005D-46C5-ABD1-5802A2F5AF6A",
"versionEndExcluding": "14.1.0",
"versionStartIncluding": "14.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:*",
"matchCriteriaId": "A59D5860-DC68-4E8D-8D94-9B3CA8354F73",
"versionEndExcluding": "14.1.0",
"versionStartIncluding": "14.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:*",
"matchCriteriaId": "ED984A90-3ECF-4B75-B6E3-B8C0F13EC812",
"versionEndExcluding": "14.1.0",
"versionStartIncluding": "14.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:*",
"matchCriteriaId": "A09DB41E-EE90-4A50-B1EB-E7EEE2C09BE9",
"versionEndExcluding": "14.1.0",
"versionStartIncluding": "14.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:*",
"matchCriteriaId": "E407EDA6-D024-4BE0-B150-F9B14D595B6F",
"versionEndExcluding": "14.1.0",
"versionStartIncluding": "14.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:*",
"matchCriteriaId": "D0DD83D5-B967-4661-9514-D8A557F52764",
"versionEndExcluding": "14.1.0",
"versionStartIncluding": "14.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:f5:big-ip_ssl_orchestrator:*:*:*:*:*:*:*:*",
"matchCriteriaId": "3E0987E0-374D-49B5-ADF9-A5CCAC70394A",
"versionEndExcluding": "14.1.0",
"versionStartIncluding": "14.0.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "On BIG-IP versions 14.0.0-14.0.1 and 13.1.0-13.1.3.4, certain traffic pattern sent to a virtual server configured with an FTP profile can cause the FTP channel to break."
},
{
"lang": "es",
"value": "En BIG-IP versiones 14.0.0-14.0.1 y 13.1.0-13.1.3.4, un determinado patr\u00f3n de tr\u00e1fico enviado a un servidor virtual configurado con un perfil FTP puede causar que el canal FTP se interrumpa"
}
],
"id": "CVE-2020-5949",
"lastModified": "2024-11-21T05:34:53.327",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 5.0,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"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"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2020-12-11T19:15:13.370",
"references": [
{
"source": "f5sirt@f5.com",
"tags": [
"Vendor Advisory"
],
"url": "https://support.f5.com/csp/article/K20984059"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://support.f5.com/csp/article/K20984059"
}
],
"sourceIdentifier": "f5sirt@f5.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "NVD-CWE-noinfo"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"current_release_date": "2025-05-22T16:44:24+00:00",
"cve": "CVE-2020-5949",
"id": "CVE-2020-5949",
"initial_release_date": "2020-01-01T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "CVE-2020-5949",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2020/cve-2020-5949.json",
"version": "3"
}
}
}
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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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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.
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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.
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