cve-2024-20497
Vulnerability from cvelistv5
Published
2024-09-04 16:29
Modified
2024-09-04 17:33
Severity ?
EPSS score ?
Summary
Cisco Expressway Edge Improper Authorization Vulnerability
References
Impacted products
{
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"content": {
"id": "CVE-2024-20497",
"options": [
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"Automatable": "no"
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"role": "CISA Coordinator",
"timestamp": "2024-09-04T17:33:31.143271Z",
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"cna": {
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"product": "Cisco TelePresence Video Communication Server (VCS) Expressway",
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"descriptions": [
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"value": "A vulnerability in Cisco Expressway Edge (Expressway-E) could allow an authenticated, remote attacker to masquerade as another user on an affected system.\r\n\r\nThis vulnerability is due to inadequate authorization checks for Mobile and Remote Access (MRA) users. An attacker could exploit this vulnerability by running a series of crafted commands. A successful exploit could allow the attacker to intercept calls that are destined for a particular phone number or to make phone calls and have that phone number appear on the caller ID. To successfully exploit this vulnerability, the attacker must be an MRA user on an affected system."
}
],
"exploits": [
{
"lang": "en",
"value": "The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."
}
],
"metrics": [
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"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 4.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
"version": "3.1"
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"problemTypes": [
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"descriptions": [
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"description": "Improper Authorization",
"lang": "en",
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"providerMetadata": {
"dateUpdated": "2024-09-04T16:29:13.595Z",
"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"shortName": "cisco"
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"references": [
{
"name": "cisco-sa-expressway-auth-kdFrcZ2j",
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-expressway-auth-kdFrcZ2j"
}
],
"source": {
"advisory": "cisco-sa-expressway-auth-kdFrcZ2j",
"defects": [
"CSCwa25058"
],
"discovery": "INTERNAL"
},
"title": "Cisco Expressway Edge Improper Authorization Vulnerability"
}
},
"cveMetadata": {
"assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"assignerShortName": "cisco",
"cveId": "CVE-2024-20497",
"datePublished": "2024-09-04T16:29:13.595Z",
"dateReserved": "2023-11-08T15:08:07.686Z",
"dateUpdated": "2024-09-04T17:33:38.771Z",
"state": "PUBLISHED"
},
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"meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2024-20497\",\"sourceIdentifier\":\"ykramarz@cisco.com\",\"published\":\"2024-09-04T17:15:13.970\",\"lastModified\":\"2024-09-05T12:53:21.110\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A vulnerability in Cisco Expressway Edge (Expressway-E) could allow an authenticated, remote attacker to masquerade as another user on an affected system.\\r\\n\\r\\nThis vulnerability is due to inadequate authorization checks for Mobile and Remote Access (MRA) users. An attacker could exploit this vulnerability by running a series of crafted commands. A successful exploit could allow the attacker to intercept calls that are destined for a particular phone number or to make phone calls and have that phone number appear on the caller ID. To successfully exploit this vulnerability, the attacker must be an MRA user on an affected system.\"},{\"lang\":\"es\",\"value\":\"Una vulnerabilidad en Cisco Expressway Edge (Expressway-E) podr\u00eda permitir que un atacante remoto autenticado se haga pasar por otro usuario en un sistema afectado. Esta vulnerabilidad se debe a comprobaciones de autorizaci\u00f3n inadecuadas para los usuarios de acceso remoto y m\u00f3vil (MRA). Un atacante podr\u00eda aprovechar esta vulnerabilidad ejecutando una serie de comandos manipulados espec\u00edficamente para ello. Una explotaci\u00f3n exitosa podr\u00eda permitir al atacante interceptar llamadas destinadas a un n\u00famero de tel\u00e9fono en particular o hacer llamadas telef\u00f3nicas y que ese n\u00famero de tel\u00e9fono aparezca en el identificador de llamadas. Para aprovechar esta vulnerabilidad con \u00e9xito, el atacante debe ser un usuario de MRA en un sistema afectado.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"ykramarz@cisco.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\",\"baseScore\":4.3,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":2.8,\"impactScore\":1.4}]},\"weaknesses\":[{\"source\":\"ykramarz@cisco.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-285\"}]}],\"references\":[{\"url\":\"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-expressway-auth-kdFrcZ2j\",\"source\":\"ykramarz@cisco.com\"}]}}"
}
}
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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.