cve-2025-20261
Vulnerability from cvelistv5
Published
2025-06-04 16:17
Modified
2025-06-05 03:55
Severity ?
EPSS score ?
Summary
Cisco Integrated Management Controller Privilege Escalation Vulnerability
References
Impacted products
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],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability in the SSH connection handling of Cisco Integrated Management Controller (IMC) for Cisco UCS B-Series, UCS C-Series, UCS S-Series, and UCS X-Series Servers could allow an authenticated, remote attacker to access internal services with elevated privileges.\r\n\r\nThis vulnerability is due to insufficient restrictions on access to internal services. An attacker with a valid user account could exploit this vulnerability by using crafted syntax when connecting to the Cisco IMC of an affected device through SSH. A successful exploit could allow the attacker to access internal services with elevated privileges, which may allow unauthorized modifications to the system, including the possibility of creating new administrator accounts on the affected device."
}
],
"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."
}
],
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"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
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"format": "cvssV3_1"
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],
"problemTypes": [
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"descriptions": [
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"cweId": "CWE-923",
"description": "Improper Restriction of Communication Channel to Intended Endpoints",
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"type": "cwe"
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"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"shortName": "cisco"
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"references": [
{
"name": "cisco-sa-ucs-ssh-priv-esc-2mZDtdjM",
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucs-ssh-priv-esc-2mZDtdjM"
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"source": {
"advisory": "cisco-sa-ucs-ssh-priv-esc-2mZDtdjM",
"defects": [
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"discovery": "INTERNAL"
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"title": "Cisco Integrated Management Controller Privilege Escalation Vulnerability"
}
},
"cveMetadata": {
"assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"assignerShortName": "cisco",
"cveId": "CVE-2025-20261",
"datePublished": "2025-06-04T16:17:54.028Z",
"dateReserved": "2024-10-10T19:15:13.243Z",
"dateUpdated": "2025-06-05T03:55:25.213Z",
"state": "PUBLISHED"
},
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"dataVersion": "5.1",
"meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2025-20261\",\"sourceIdentifier\":\"psirt@cisco.com\",\"published\":\"2025-06-04T17:15:26.827\",\"lastModified\":\"2025-06-05T20:12:23.777\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A vulnerability in the SSH connection handling of Cisco Integrated Management Controller (IMC) for Cisco UCS B-Series, UCS C-Series, UCS S-Series, and UCS X-Series Servers could allow an authenticated, remote attacker to access internal services with elevated privileges.\\r\\n\\r\\nThis vulnerability is due to insufficient restrictions on access to internal services. An attacker with a valid user account could exploit this vulnerability by using crafted syntax when connecting to the Cisco IMC of an affected device through SSH. A successful exploit could allow the attacker to access internal services with elevated privileges, which may allow unauthorized modifications to the system, including the possibility of creating new administrator accounts on the affected device.\"},{\"lang\":\"es\",\"value\":\"Una vulnerabilidad en la gesti\u00f3n de conexiones SSH de Cisco Integrated Management Controller (IMC) para servidores Cisco UCS serie B, UCS serie C, UCS serie S y UCS serie X podr\u00eda permitir que un atacante remoto autenticado acceda a servicios internos con privilegios elevados. Esta vulnerabilidad se debe a restricciones insuficientes de acceso a los servicios internos. Un atacante con una cuenta de usuario v\u00e1lida podr\u00eda explotar esta vulnerabilidad utilizando una sintaxis manipulada al conectarse a Cisco IMC de un dispositivo afectado mediante SSH. Una explotaci\u00f3n exitosa podr\u00eda permitir al atacante acceder a servicios internos con privilegios elevados, lo que podr\u00eda permitir modificaciones no autorizadas en el sistema, incluyendo la posibilidad de crear nuevas cuentas de administrador en el dispositivo afectado.\"}],\"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:U/C:H/I:H/A:H\",\"baseScore\":8.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.8,\"impactScore\":5.9}]},\"weaknesses\":[{\"source\":\"psirt@cisco.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-923\"}]}],\"references\":[{\"url\":\"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucs-ssh-priv-esc-2mZDtdjM\",\"source\":\"psirt@cisco.com\"}]}}"
}
}
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- 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.