CVE-2025-20192 (GCVE-0-2025-20192)
Vulnerability from cvelistv5
Published
2025-05-07 17:36
Modified
2025-05-07 19:43
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-232 - Improper Handling of Undefined Values
Summary
A vulnerability in the Internet Key Exchange version 1 (IKEv1) implementation of Cisco IOS XE Software could allow an authenticated, remote attacker to cause a denial of service (DoS) condition. The attacker must have valid IKEv1 VPN credentials to exploit this vulnerability.
This vulnerability is due to improper validation of IKEv1 phase 2 parameters before the IPsec security association creation request is handed off to the hardware cryptographic accelerator of an affected device. An attacker could exploit this vulnerability by sending crafted IKEv1 messages to the affected device. A successful exploit could allow the attacker to cause the device to reload.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Cisco | Cisco IOS XE Software |
Version: 3.13.0S Version: 3.13.1S Version: 3.13.2S Version: 3.13.3S Version: 3.13.4S Version: 3.13.5S Version: 3.13.6S Version: 3.13.7S Version: 3.13.6aS Version: 3.13.8S Version: 3.13.9S Version: 3.13.10S Version: 3.14.0S Version: 3.14.1S Version: 3.14.2S Version: 3.14.3S Version: 3.14.4S Version: 3.15.0S Version: 3.15.1S Version: 3.15.2S Version: 3.15.1cS Version: 3.15.3S Version: 3.15.4S Version: 3.16.0S Version: 3.16.1aS Version: 3.16.2S Version: 3.16.0cS Version: 3.16.3S Version: 3.16.4aS Version: 3.16.4bS Version: 3.16.5S Version: 3.16.4dS Version: 3.16.6S Version: 3.16.7S Version: 3.16.6bS Version: 3.16.7aS Version: 3.16.7bS Version: 3.16.8S Version: 3.16.9S Version: 3.16.10S Version: 3.17.0S Version: 3.17.1S Version: 3.17.2S Version: 3.17.3S Version: 3.17.4S Version: 16.2.1 Version: 16.2.2 Version: 16.3.1 Version: 16.3.2 Version: 16.3.3 Version: 16.3.1a Version: 16.3.4 Version: 16.3.5 Version: 16.3.6 Version: 16.3.7 Version: 16.3.8 Version: 16.3.9 Version: 16.3.10 Version: 16.3.11 Version: 16.4.1 Version: 16.4.2 Version: 16.4.3 Version: 16.5.1 Version: 16.5.1b Version: 16.5.2 Version: 16.5.3 Version: 3.18.2aSP Version: 16.6.1 Version: 16.6.2 Version: 16.6.3 Version: 16.6.4 Version: 16.6.5 Version: 16.6.6 Version: 16.6.7 Version: 16.6.8 Version: 16.6.9 Version: 16.6.10 Version: 16.7.1 Version: 16.7.2 Version: 16.7.3 Version: 16.8.1 Version: 16.8.1s Version: 16.8.2 Version: 16.8.3 Version: 16.9.1 Version: 16.9.2 Version: 16.9.1s Version: 16.9.3 Version: 16.9.4 Version: 16.9.5 Version: 16.9.6 Version: 16.9.7 Version: 16.9.8 Version: 16.10.1 Version: 16.10.1a Version: 16.10.1b Version: 16.10.1s Version: 16.10.1e Version: 16.10.2 Version: 16.10.3 Version: 16.11.1 Version: 16.11.1a Version: 16.11.2 Version: 16.11.1s Version: 16.12.1 Version: 16.12.1s Version: 16.12.1a Version: 16.12.1c Version: 16.12.2 Version: 16.12.3 Version: 16.12.8 Version: 16.12.2s Version: 16.12.4 Version: 16.12.3s Version: 16.12.5 Version: 16.12.6 Version: 16.12.7 Version: 17.1.1 Version: 17.1.1s Version: 17.1.1t Version: 17.1.3 Version: 17.2.1 Version: 17.2.1r Version: 17.2.1v Version: 17.2.2 Version: 17.2.3 Version: 17.3.1 Version: 17.3.2 Version: 17.3.3 Version: 17.3.1a Version: 17.3.4 Version: 17.3.5 Version: 17.3.4a Version: 17.3.6 Version: 17.3.7 Version: 17.3.8 Version: 17.3.8a Version: 17.4.1 Version: 17.4.2 Version: 17.4.1a Version: 17.4.1b Version: 17.5.1 Version: 17.5.1a Version: 17.6.1 Version: 17.6.2 Version: 17.6.1a Version: 17.6.3 Version: 17.6.1y Version: 17.6.3a Version: 17.6.4 Version: 17.6.5 Version: 17.6.6 Version: 17.6.6a Version: 17.6.5a Version: 17.6.7 Version: 17.6.8 Version: 17.6.8a Version: 17.7.1 Version: 17.7.1a Version: 17.7.2 Version: 17.10.1 Version: 17.10.1a Version: 17.8.1 Version: 17.8.1a Version: 17.9.1 Version: 17.9.2 Version: 17.9.1a Version: 17.9.3 Version: 17.9.2a Version: 17.9.3a Version: 17.9.4 Version: 17.9.5 Version: 17.9.4a Version: 17.9.5a Version: 17.9.5b Version: 17.9.5e Version: 17.9.5f Version: 17.11.1 Version: 17.11.1a Version: 17.12.1 Version: 17.12.1a Version: 17.12.2 Version: 17.12.3 Version: 17.12.2a Version: 17.12.3a Version: 17.13.1 Version: 17.13.1a Version: 17.14.1 Version: 17.14.1a |
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"value": "A vulnerability in the Internet Key Exchange version 1 (IKEv1) implementation of Cisco IOS XE Software could allow an authenticated, remote attacker to cause a denial of service (DoS) condition. The attacker must have valid IKEv1 VPN credentials to exploit this vulnerability.\r\n\r This vulnerability is due to improper validation of IKEv1 phase 2 parameters before the IPsec security association creation request is handed off to the hardware cryptographic accelerator of an affected device. An attacker could exploit this vulnerability by sending crafted IKEv1 messages to the affected device. A successful exploit could allow the attacker to cause the device to reload."
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"lang": "en",
"value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."
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"nvd": "{\"cve\":{\"id\":\"CVE-2025-20192\",\"sourceIdentifier\":\"psirt@cisco.com\",\"published\":\"2025-05-07T18:15:39.280\",\"lastModified\":\"2025-05-08T14:39:09.683\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A vulnerability in the Internet Key Exchange version 1 (IKEv1) implementation of Cisco IOS XE Software could allow an authenticated, remote attacker to cause a denial of service (DoS) condition. The attacker must have valid IKEv1 VPN credentials to exploit this vulnerability.\\r\\n\\r This vulnerability is due to improper validation of IKEv1 phase 2 parameters before the IPsec security association creation request is handed off to the hardware cryptographic accelerator of an affected device. An attacker could exploit this vulnerability by sending crafted IKEv1 messages to the affected device. A successful exploit could allow the attacker to cause the device to reload.\"},{\"lang\":\"es\",\"value\":\"Una vulnerabilidad en la implementaci\u00f3n de Intercambio de Claves por Internet versi\u00f3n 1 (IKEv1) del software Cisco IOS XE podr\u00eda permitir que un atacante remoto autenticado provoque una denegaci\u00f3n de servicio (DoS). El atacante debe tener credenciales VPN IKEv1 v\u00e1lidas para explotar esta vulnerabilidad. Esta vulnerabilidad se debe a una validaci\u00f3n incorrecta de los par\u00e1metros de fase 2 de IKEv1 antes de que la solicitud de creaci\u00f3n de la asociaci\u00f3n de seguridad IPsec se transfiera al acelerador criptogr\u00e1fico de hardware de un dispositivo afectado. Un atacante podr\u00eda explotar esta vulnerabilidad enviando mensajes IKEv1 manipulados al dispositivo afectado. Una explotaci\u00f3n exitosa podr\u00eda permitir al atacante provocar la recarga del dispositivo.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"psirt@cisco.com\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H\",\"baseScore\":7.7,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.1,\"impactScore\":4.0}]},\"weaknesses\":[{\"source\":\"psirt@cisco.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-232\"}]}],\"references\":[{\"url\":\"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-ikev1-dos-XHk3HzFC\",\"source\":\"psirt@cisco.com\"}]}}",
"vulnrichment": {
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could allow an authenticated, remote attacker to cause a denial of service (DoS) condition. The attacker must have valid IKEv1 VPN credentials to exploit this vulnerability.\\r\\n\\r This vulnerability is due to improper validation of IKEv1 phase 2 parameters before the IPsec security association creation request is handed off to the hardware cryptographic accelerator of an affected device. An attacker could exploit this vulnerability by sending crafted IKEv1 messages to the affected device. A successful exploit could allow the attacker to cause the device to reload.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"cwe\", \"cweId\": \"CWE-232\", \"description\": \"Improper Handling of Undefined Values\"}]}], \"providerMetadata\": {\"orgId\": \"d1c1063e-7a18-46af-9102-31f8928bc633\", \"shortName\": \"cisco\", \"dateUpdated\": \"2025-05-07T17:36:16.366Z\"}}}",
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"dataType": "CVE_RECORD",
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}
}
}
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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.
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