CVE-2025-20327 (GCVE-0-2025-20327)
Vulnerability from cvelistv5
Published
2025-09-24 17:11
Modified
2025-09-24 18:11
CWE
  • CWE-1287 - Improper Validation of Specified Type of Input
Summary
A vulnerability in the web UI of Cisco IOS Software could allow an authenticated, remote attacker with low privileges to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper input validation. An attacker could exploit this vulnerability by sending a crafted URL in an HTTP request. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition.
Impacted products
Vendor Product Version
Cisco IOS Version: 15.2(6)E2
Version: 15.2(7)E
Version: 15.2(6)E2a
Version: 15.2(6)E2b
Version: 15.2(7)E1
Version: 15.2(7)E0a
Version: 15.2(7)E0b
Version: 15.2(7)E0s
Version: 15.2(6)E3
Version: 15.2(7)E2
Version: 15.2(7a)E0b
Version: 15.2(7)E3
Version: 15.2(7)E1a
Version: 15.2(7b)E0b
Version: 15.2(7)E2a
Version: 15.2(7)E4
Version: 15.2(7)E3k
Version: 15.2(8)E
Version: 15.2(8)E1
Version: 15.2(7)E5
Version: 15.2(7)E6
Version: 15.2(8)E2
Version: 15.2(7)E7
Version: 15.2(8)E3
Version: 15.2(7)E8
Version: 15.2(8)E4
Version: 15.2(7)E9
Version: 15.2(8)E5
Version: 15.2(7)E10
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Show details on NVD website


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    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-20327",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-09-24T18:08:55.351442Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
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        ],
        "providerMetadata": {
          "dateUpdated": "2025-09-24T18:11:26.278Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
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          "versions": [
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              "status": "affected",
              "version": "15.2(7)E0b"
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            {
              "status": "affected",
              "version": "15.2(7)E0s"
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            {
              "status": "affected",
              "version": "15.2(6)E3"
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            {
              "status": "affected",
              "version": "15.2(7)E2"
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            {
              "status": "affected",
              "version": "15.2(7a)E0b"
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            {
              "status": "affected",
              "version": "15.2(7)E3"
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              "status": "affected",
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              "version": "15.2(7)E2a"
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              "version": "15.2(7)E4"
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              "status": "affected",
              "version": "15.2(7)E3k"
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            {
              "status": "affected",
              "version": "15.2(8)E"
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            {
              "status": "affected",
              "version": "15.2(8)E1"
            },
            {
              "status": "affected",
              "version": "15.2(7)E5"
            },
            {
              "status": "affected",
              "version": "15.2(7)E6"
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              "status": "affected",
              "version": "15.2(8)E2"
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            {
              "status": "affected",
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              "version": "15.2(7)E8"
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            {
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              "version": "15.2(7)E9"
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          "value": "A vulnerability in the web UI of Cisco IOS Software could allow an authenticated, remote attacker with low privileges to cause a denial of service (DoS) condition on an affected device.\r\n\r This vulnerability is due to improper input validation. An attacker could exploit this vulnerability by sending a crafted URL in an HTTP request. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition."
        }
      ],
      "exploits": [
        {
          "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."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.7,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H",
            "version": "3.1"
          },
          "format": "cvssV3_1"
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      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-1287",
              "description": "Improper Validation of Specified Type of Input",
              "lang": "en",
              "type": "cwe"
            }
          ]
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      ],
      "providerMetadata": {
        "dateUpdated": "2025-09-24T17:11:44.744Z",
        "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "shortName": "cisco"
      },
      "references": [
        {
          "name": "cisco-sa-ios-invalid-url-dos-Nvxszf6u",
          "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-invalid-url-dos-Nvxszf6u"
        }
      ],
      "source": {
        "advisory": "cisco-sa-ios-invalid-url-dos-Nvxszf6u",
        "defects": [
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        "discovery": "EXTERNAL"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
    "assignerShortName": "cisco",
    "cveId": "CVE-2025-20327",
    "datePublished": "2025-09-24T17:11:44.744Z",
    "dateReserved": "2024-10-10T19:15:13.254Z",
    "dateUpdated": "2025-09-24T18:11:26.278Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}


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