cve-2020-3480
Vulnerability from cvelistv5
Published
2020-09-24 17:52
Modified
2024-11-13 17:58
Severity ?
EPSS score ?
Summary
Cisco IOS XE Software Zone-Based Firewall Denial of Service Vulnerabilities
References
Impacted products
▼ | Vendor | Product |
---|---|---|
Cisco | Cisco IOS XE Software |
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The vulnerabilities are due to incomplete handling of Layer 4 packets through the device. An attacker could exploit these vulnerabilities by sending a certain sequence of traffic patterns through the device. A successful exploit could allow the attacker to cause the device to reload or stop forwarding traffic through the firewall, resulting in a denial of service. For more information about these vulnerabilities, see the Details section of this advisory." } ], "exploits": [ { "lang": "en", "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerabilities that is described in this advisory." } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.6, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H", "version": "3.1" } } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-754", "description": "CWE-754", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2020-09-24T17:52:38", "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco" }, "references": [ { "name": "20200924 Cisco IOS XE Software Zone-Based Firewall Denial of Service Vulnerabilities", "tags": [ "vendor-advisory", "x_refsource_CISCO" ], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-zbfw-94ckG4G" } ], "source": { "advisory": "cisco-sa-zbfw-94ckG4G", "defect": [ [ "CSCvs71952", "CSCvt52986" ] ], "discovery": "INTERNAL" }, "title": "Cisco IOS XE Software Zone-Based Firewall Denial of Service Vulnerabilities", "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "psirt@cisco.com", "DATE_PUBLIC": "2020-09-24T16:00:00", "ID": "CVE-2020-3480", "STATE": "PUBLIC", "TITLE": "Cisco IOS XE Software Zone-Based Firewall Denial of Service Vulnerabilities" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "Cisco IOS XE Software", "version": { "version_data": [ { "version_value": "n/a" } ] } } ] }, "vendor_name": "Cisco" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "Multiple vulnerabilities in the Zone-Based Firewall feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause the device to reload or stop forwarding traffic through the firewall. 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Un atacante podr\u00eda explotar estas vulnerabilidades enviando una cierta secuencia de patrones de tr\u00e1fico a trav\u00e9s del dispositivo. Una explotaci\u00f3n exitosa podr\u00eda permitir al atacante hacer que el dispositivo recargara o dejara de reenviar el tr\u00e1fico a trav\u00e9s del cortafuegos, lo que resultar\u00eda en una denegaci\u00f3n de servicio. Para obtener m\u00e1s informaci\u00f3n sobre estas vulnerabilidades, v\u00e9ase la secci\u00f3n de detalles de este 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Advisory\"]}]}}" } }
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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.
- 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.