CVE-2024-20455
Vulnerability from cvelistv5
Published
2024-09-25 16:18
Modified
2024-09-25 19:47
Severity ?
EPSS score ?
Summary
A vulnerability in the process that classifies traffic that is going to the Unified Threat Defense (UTD) component of Cisco IOS XE Software in controller mode could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.
This vulnerability exists because UTD improperly handles certain packets as those packets egress an SD-WAN IPsec tunnel. An attacker could exploit this vulnerability by sending crafted traffic through an SD-WAN IPsec tunnel that is configured on an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.
Note: SD-WAN tunnels that are configured with Generic Routing Encapsulation (GRE) are not affected by this vulnerability.
References
Impacted products
| ▼ | Vendor | Product |
|---|---|---|
| Cisco | Cisco IOS XE Software | |
| Cisco | Cisco IOS XE Catalyst SD-WAN |
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"confidentialityImpact": "NONE",
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"scope": "CHANGED",
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"nvd": "{\"cve\":{\"id\":\"CVE-2024-20455\",\"sourceIdentifier\":\"ykramarz@cisco.com\",\"published\":\"2024-09-25T17:15:16.827\",\"lastModified\":\"2024-10-24T19:47:49.750\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A vulnerability in the process that classifies traffic that is going to the Unified Threat Defense (UTD) component of Cisco IOS XE Software in controller mode could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.\\r\\n\\r This vulnerability exists because UTD improperly handles certain packets as those packets egress an SD-WAN IPsec tunnel. An attacker could exploit this vulnerability by sending crafted traffic through an SD-WAN IPsec tunnel that is configured on an affected device. 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Una explotaci\u00f3n exitosa podr\u00eda permitir que el atacante haga que el dispositivo se recargue, lo que da como resultado una condici\u00f3n de DoS. Nota: Los t\u00faneles SD-WAN que est\u00e1n configurados con Encapsulaci\u00f3n de enrutamiento gen\u00e9rico (GRE) no se ven afectados por esta 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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.