CVE-2025-20261 (GCVE-0-2025-20261)
Vulnerability from cvelistv5
Published
2025-06-04 16:17
Modified
2025-06-05 03:55
CWE
  • CWE-923 - Improper Restriction of Communication Channel to Intended Endpoints
Summary
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. This 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.
Impacted products
Vendor Product Version
Cisco Cisco Unified Computing System (Managed) Version: 4.0(1a)
Version: 3.2(3n)
Version: 4.1(1a)
Version: 4.1(1b)
Version: 4.0(4h)
Version: 4.1(1c)
Version: 3.2(3k)
Version: 3.2(2c)
Version: 4.0(4e)
Version: 4.0(4g)
Version: 3.2(3i)
Version: 4.0(2e)
Version: 3.2(3g)
Version: 4.0(4a)
Version: 4.0(2d)
Version: 3.2(2d)
Version: 4.0(1b)
Version: 4.0(4f)
Version: 3.2(3h)
Version: 3.2(2f)
Version: 4.0(4c)
Version: 3.2(3a)
Version: 4.0(1c)
Version: 3.2(3d)
Version: 3.2(2b)
Version: 4.0(4b)
Version: 3.2(2e)
Version: 4.0(2b)
Version: 4.0(4d)
Version: 3.2(1d)
Version: 3.2(3e)
Version: 3.2(3l)
Version: 3.2(3b)
Version: 4.0(2a)
Version: 3.2(3j)
Version: 4.0(1d)
Version: 3.2(3o)
Version: 4.0(4i)
Version: 4.1(1d)
Version: 4.1(2a)
Version: 4.1(1e)
Version: 3.2(3p)
Version: 4.1(2b)
Version: 4.0(4k)
Version: 4.1(3a)
Version: 4.1(3b)
Version: 4.1(2c)
Version: 4.0(4l)
Version: 4.1(4a)
Version: 4.1(3c)
Version: 4.1(3d)
Version: 4.2(1c)
Version: 4.2(1d)
Version: 4.0(4m)
Version: 4.1(3e)
Version: 4.2(1f)
Version: 4.1(3f)
Version: 4.2(1i)
Version: 4.2(1k)
Version: 4.0(4n)
Version: 4.1(3h)
Version: 4.2(1l)
Version: 4.2(1m)
Version: 4.1(3i)
Version: 4.2(2a)
Version: 4.2(1n)
Version: 4.1(3j)
Version: 4.2(2c)
Version: 4.2(2d)
Version: 4.2(3b)
Version: 4.1(3k)
Version: 4.0(4o)
Version: 4.2(2e)
Version: 4.2(3d)
Version: 4.2(3e)
Version: 4.2(3g)
Version: 4.1(3l)
Version: 4.3(2b)
Version: 4.2(3h)
Version: 4.2(3i)
Version: 4.3(2c)
Version: 4.1(3m)
Version: 4.3(2e)
Version: 4.3(3a)
Version: 4.2(3j)
Version: 4.3(3c)
Version: 4.3(4a)
Version: 4.3(4b)
Version: 4.3(2f)
Version: 4.1(3n)
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   Cisco Cisco Unified Computing System (Standalone) Version: 4.0(2g)
Version: 3.1(2i)
Version: 3.1(1d)
Version: 4.0(4i)
Version: 4.1(1c)
Version: 4.0(2c)
Version: 4.0(1e)
Version: 4.0(2h)
Version: 4.0(4h)
Version: 4.0(1h)
Version: 4.0(2l)
Version: 3.1(3g)
Version: 4.0(1.240)
Version: 4.0(2f)
Version: 4.0(1g)
Version: 4.0(2i)
Version: 3.1(3i)
Version: 4.0(4d)
Version: 4.1(1d)
Version: 3.1(3c)
Version: 4.0(4k)
Version: 3.1(2d)
Version: 3.1(3a)
Version: 3.1(3j)
Version: 4.0(2d)
Version: 4.1(1f)
Version: 4.0(4j)
Version: 4.0(2m)
Version: 4.0(2k)
Version: 4.0(1c)
Version: 4.0(4f)
Version: 4.0(4c)
Version: 3.1(3d)
Version: 3.1(2g)
Version: 3.1(2c)
Version: 4.0(1d)
Version: 3.1(2e)
Version: 4.0(1a)
Version: 4.0(1b)
Version: 3.1(3b)
Version: 4.0(4b)
Version: 3.1(2b)
Version: 4.0(4e)
Version: 3.1(3h)
Version: 4.0(4l)
Version: 4.1(1g)
Version: 4.1(2a)
Version: 4.0(2n)
Version: 4.1(1h)
Version: 3.1(3k)
Version: 4.1(2b)
Version: 4.0(2o)
Version: 4.0(4m)
Version: 4.1(2d)
Version: 4.1(3b)
Version: 4.0(2p)
Version: 4.1(2e)
Version: 4.1(2f)
Version: 4.0(4n)
Version: 4.0(2q)
Version: 4.1(3c)
Version: 4.0(2r)
Version: 4.1(3d)
Version: 4.1(2g)
Version: 4.1(2h)
Version: 4.1(3g)
Version: 4.1(3f)
Version: 4.1(2j)
Version: 4.1(2k)
Version: 4.1(3h)
Version: 4.2(2a)
Version: 4.1(3i)
Version: 4.1(3l)
Version: 4.2(1e)
Version: 4.2(1b)
Version: 4.2(1j)
Version: 4.2(1i)
Version: 4.2(1f)
Version: 4.2(1a)
Version: 4.2(1c)
Version: 4.2(1g)
Version: 4.1(2l)
Version: 4.1(3m)
Version: 4.1(2m)
Version: 4.1(3n)
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Show details on NVD website


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          "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."
        }
      ],
      "metrics": [
        {
          "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"
          },
          "format": "cvssV3_1"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-923",
              "description": "Improper Restriction of Communication Channel to Intended Endpoints",
              "lang": "en",
              "type": "cwe"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-06-04T16:17:54.028Z",
        "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "shortName": "cisco"
      },
      "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"
        }
      ],
      "source": {
        "advisory": "cisco-sa-ucs-ssh-priv-esc-2mZDtdjM",
        "defects": [
          "CSCwk24502"
        ],
        "discovery": "INTERNAL"
      },
      "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"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2025-20261\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-06-04T18:13:10.333578Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-06-04T18:13:11.950Z\"}}], \"cna\": {\"title\": \"Cisco Integrated Management Controller Privilege Escalation Vulnerability\", \"source\": {\"defects\": [\"CSCwk24502\"], \"advisory\": \"cisco-sa-ucs-ssh-priv-esc-2mZDtdjM\", \"discovery\": \"INTERNAL\"}, \"metrics\": [{\"format\": \"cvssV3_1\", \"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 8.8, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"HIGH\"}}], \"affected\": [{\"vendor\": \"Cisco\", \"product\": \"Cisco Unified Computing System (Managed)\", \"versions\": [{\"status\": \"affected\", \"version\": \"4.0(1a)\"}, {\"status\": \"affected\", \"version\": \"3.2(3n)\"}, {\"status\": \"affected\", \"version\": \"4.1(1a)\"}, {\"status\": \"affected\", \"version\": \"4.1(1b)\"}, {\"status\": \"affected\", \"version\": \"4.0(4h)\"}, {\"status\": \"affected\", \"version\": \"4.1(1c)\"}, {\"status\": \"affected\", \"version\": \"3.2(3k)\"}, {\"status\": \"affected\", \"version\": \"3.2(2c)\"}, {\"status\": \"affected\", \"version\": \"4.0(4e)\"}, {\"status\": \"affected\", \"version\": \"4.0(4g)\"}, {\"status\": \"affected\", \"version\": \"3.2(3i)\"}, {\"status\": \"affected\", \"version\": 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\"affected\", \"version\": \"4.2(2c)\"}, {\"status\": \"affected\", \"version\": \"4.2(2d)\"}, {\"status\": \"affected\", \"version\": \"4.2(3b)\"}, {\"status\": \"affected\", \"version\": \"4.1(3k)\"}, {\"status\": \"affected\", \"version\": \"4.0(4o)\"}, {\"status\": \"affected\", \"version\": \"4.2(2e)\"}, {\"status\": \"affected\", \"version\": \"4.2(3d)\"}, {\"status\": \"affected\", \"version\": \"4.2(3e)\"}, {\"status\": \"affected\", \"version\": \"4.2(3g)\"}, {\"status\": \"affected\", \"version\": \"4.1(3l)\"}, {\"status\": \"affected\", \"version\": \"4.3(2b)\"}, {\"status\": \"affected\", \"version\": \"4.2(3h)\"}, {\"status\": \"affected\", \"version\": \"4.2(3i)\"}, {\"status\": \"affected\", \"version\": \"4.3(2c)\"}, {\"status\": \"affected\", \"version\": \"4.1(3m)\"}, {\"status\": \"affected\", \"version\": \"4.3(2e)\"}, {\"status\": \"affected\", \"version\": \"4.3(3a)\"}, {\"status\": \"affected\", \"version\": \"4.2(3j)\"}, {\"status\": \"affected\", \"version\": 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\"version\": \"4.1(1h)\"}, {\"status\": \"affected\", \"version\": \"3.1(3k)\"}, {\"status\": \"affected\", \"version\": \"4.1(2b)\"}, {\"status\": \"affected\", \"version\": \"4.0(2o)\"}, {\"status\": \"affected\", \"version\": \"4.0(4m)\"}, {\"status\": \"affected\", \"version\": \"4.1(2d)\"}, {\"status\": \"affected\", \"version\": \"4.1(3b)\"}, {\"status\": \"affected\", \"version\": \"4.0(2p)\"}, {\"status\": \"affected\", \"version\": \"4.1(2e)\"}, {\"status\": \"affected\", \"version\": \"4.1(2f)\"}, {\"status\": \"affected\", \"version\": \"4.0(4n)\"}, {\"status\": \"affected\", \"version\": \"4.0(2q)\"}, {\"status\": \"affected\", \"version\": \"4.1(3c)\"}, {\"status\": \"affected\", \"version\": \"4.0(2r)\"}, {\"status\": \"affected\", \"version\": \"4.1(3d)\"}, {\"status\": \"affected\", \"version\": \"4.1(2g)\"}, {\"status\": \"affected\", \"version\": \"4.1(2h)\"}, {\"status\": \"affected\", \"version\": \"4.1(3g)\"}, {\"status\": \"affected\", \"version\": \"4.1(3f)\"}, {\"status\": \"affected\", \"version\": \"4.1(2j)\"}, {\"status\": \"affected\", \"version\": \"4.1(2k)\"}, {\"status\": \"affected\", \"version\": \"4.1(3h)\"}, {\"status\": \"affected\", \"version\": \"4.2(2a)\"}, {\"status\": \"affected\", \"version\": \"4.1(3i)\"}, {\"status\": \"affected\", \"version\": \"4.1(3l)\"}, {\"status\": \"affected\", \"version\": \"4.2(1e)\"}, {\"status\": \"affected\", \"version\": \"4.2(1b)\"}, {\"status\": \"affected\", \"version\": \"4.2(1j)\"}, {\"status\": \"affected\", \"version\": \"4.2(1i)\"}, {\"status\": \"affected\", \"version\": \"4.2(1f)\"}, {\"status\": \"affected\", \"version\": \"4.2(1a)\"}, {\"status\": \"affected\", \"version\": \"4.2(1c)\"}, {\"status\": \"affected\", \"version\": \"4.2(1g)\"}, {\"status\": \"affected\", \"version\": \"4.1(2l)\"}, {\"status\": \"affected\", \"version\": \"4.1(3m)\"}, {\"status\": \"affected\", \"version\": \"4.1(2m)\"}, {\"status\": \"affected\", \"version\": \"4.1(3n)\"}], \"defaultStatus\": \"unknown\"}], \"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.\"}], \"references\": [{\"url\": \"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucs-ssh-priv-esc-2mZDtdjM\", \"name\": \"cisco-sa-ucs-ssh-priv-esc-2mZDtdjM\"}], \"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.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"cwe\", \"cweId\": \"CWE-923\", \"description\": \"Improper Restriction of Communication Channel to Intended Endpoints\"}]}], \"providerMetadata\": {\"orgId\": \"d1c1063e-7a18-46af-9102-31f8928bc633\", \"shortName\": \"cisco\", \"dateUpdated\": \"2025-06-04T16:17:54.028Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2025-20261\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-06-05T03:55:25.213Z\", \"dateReserved\": \"2024-10-10T19:15:13.243Z\", \"assignerOrgId\": \"d1c1063e-7a18-46af-9102-31f8928bc633\", \"datePublished\": \"2025-06-04T16:17:54.028Z\", \"assignerShortName\": \"cisco\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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