FKIE_CVE-2021-1281

Vulnerability from fkie_nvd - Published: 2021-03-24 21:15 - Updated: 2024-11-21 05:43
Severity ?
5.1 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:N
6.7 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Summary
A vulnerability in CLI management in Cisco IOS XE SD-WAN Software could allow an authenticated, local attacker to access the underlying operating system as the root user. This vulnerability is due to the way the software handles concurrent CLI sessions. An attacker could exploit this vulnerability by authenticating to the device as an administrative user and executing a sequence of commands. A successful exploit could allow the attacker to obtain access to the underlying operating system as the root user.
References
psirt@cisco.comhttps://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-clipriv-9TO2QGVpVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-clipriv-9TO2QGVpVendor Advisory
Impacted products
Vendor Product Version
cisco ios_xe 16.9.1
cisco ios_xe 16.9.2
cisco ios_xe 16.9.3
cisco ios_xe 16.9.4
cisco ios_xe 16.10.1
cisco ios_xe 16.10.1a
cisco ios_xe 16.10.1b
cisco ios_xe 16.10.1c
cisco ios_xe 16.10.1d
cisco ios_xe 16.10.1e
cisco ios_xe 16.10.1f
cisco ios_xe 16.10.1g
cisco ios_xe 16.10.1s
cisco ios_xe 16.10.2
cisco ios_xe 16.10.3
cisco ios_xe 16.11.1
cisco ios_xe 16.11.1a
cisco ios_xe 16.11.1b
cisco ios_xe 16.11.1c
cisco ios_xe 16.11.1s
cisco ios_xe 16.11.2
cisco ios_xe 16.12.1
cisco ios_xe 16.12.1a
cisco ios_xe 16.12.1c
cisco ios_xe 16.12.1s
cisco ios_xe 16.12.1t
cisco ios_xe 16.12.1w
cisco ios_xe 16.12.1x
cisco ios_xe 16.12.1y
cisco ios_xe 16.12.1z
cisco ios_xe 16.12.1za
cisco ios_xe 16.12.2
cisco ios_xe 16.12.2a
cisco ios_xe 16.12.2s
cisco ios_xe 16.12.2t
cisco ios_xe 16.12.3
cisco ios_xe 16.12.3a
cisco ios_xe 16.12.3s
cisco ios_xe 16.12.4
cisco ios_xe 16.12.4a
cisco ios_xe 17.1.1
cisco ios_xe 17.1.1a
cisco ios_xe 17.1.1s
cisco ios_xe 17.1.1t
cisco ios_xe 17.1.2
cisco ios_xe 17.1.3
cisco ios_xe 17.2.1
cisco ios_xe 17.2.1a
cisco ios_xe 17.2.1r
cisco ios_xe 17.2.1v
cisco ios_xe 17.2.2
cisco ios_xe 17.3.1
cisco ios_xe 17.3.1a
cisco ios_xe 17.3.1w
cisco ios_xe 17.3.2
cisco ios_xe 17.3.2a
cisco ios_xe 17.4.1
cisco ios_xe 17.4.1a
cisco ios_xe 17.4.1b
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:16.9.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "119A964D-ABC8-424D-8097-85B832A833BD",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:16.9.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "F29CEE37-4044-4A3C-9685-C9C021FD346A",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:16.9.3:*:*:*:*:*:*:*",
              "matchCriteriaId": "E1FDA817-3A50-4B9E-8F4E-F613BDB3E9EE",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:16.9.4:*:*:*:*:*:*:*",
              "matchCriteriaId": "E4BF9829-F80E-4837-A420-39B291C4E17B",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:16.10.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "DB6BD18B-B9BD-452F-986E-16A6668E46B6",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:16.10.1a:*:*:*:*:*:*:*",
              "matchCriteriaId": "D136D2BC-FFB5-4912-A3B1-BD96148CB9A5",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:16.10.1b:*:*:*:*:*:*:*",
              "matchCriteriaId": "A22256FE-431C-4AD9-9E7F-7EAC2D81B1B7",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:16.10.1c:*:*:*:*:*:*:*",
              "matchCriteriaId": "5CD5B3AB-27C2-4055-A3B7-0112D089FDA4",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:16.10.1d:*:*:*:*:*:*:*",
              "matchCriteriaId": "04081A51-E08F-4114-9276-584E836181D3",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:16.10.1e:*:*:*:*:*:*:*",
              "matchCriteriaId": "ADED0D82-2A4D-4235-BFAC-5EE2D862B652",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:16.10.1f:*:*:*:*:*:*:*",
              "matchCriteriaId": "62A46516-CEB7-48D4-879B-341963A1FA31",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:16.10.1g:*:*:*:*:*:*:*",
              "matchCriteriaId": "D6EF98FA-6DF9-4935-9639-143E08462BC4",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:16.10.1s:*:*:*:*:*:*:*",
              "matchCriteriaId": "763664F5-E6CD-4936-B2F8-C5E2D5EA7BB6",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:16.10.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "0A443E93-6C4B-4F86-BA7C-7C2A929E795A",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:16.10.3:*:*:*:*:*:*:*",
              "matchCriteriaId": "6ECEDD9D-6517-44BA-A95F-D1D5488C0E41",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:16.11.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "E91F8704-6DAD-474A-84EA-04E4AF7BB9B1",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:16.11.1a:*:*:*:*:*:*:*",
              "matchCriteriaId": "314C7763-A64D-4023-9F3F-9A821AE4151F",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:16.11.1b:*:*:*:*:*:*:*",
              "matchCriteriaId": "5820D71D-FC93-45AA-BC58-A26A1A39C936",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:16.11.1c:*:*:*:*:*:*:*",
              "matchCriteriaId": "FC1C85DD-69CC-4AA8-B219-651D57FC3506",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:16.11.1s:*:*:*:*:*:*:*",
              "matchCriteriaId": "DB26AE0F-85D8-4EAB-B9BD-457DD81FF0FE",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:16.11.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "B53E377A-0296-4D7A-B97C-576B0026543D",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:16.12.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "C98DED36-D4B5-48D6-964E-EEEE97936700",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:16.12.1a:*:*:*:*:*:*:*",
              "matchCriteriaId": "CD98C9E8-3EA6-4160-970D-37C389576516",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:16.12.1c:*:*:*:*:*:*:*",
              "matchCriteriaId": "C8BEFEDA-B01A-480B-B03D-7ED5D08E4B67",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:16.12.1s:*:*:*:*:*:*:*",
              "matchCriteriaId": "9027A528-2588-4C06-810B-5BB313FE4323",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:16.12.1t:*:*:*:*:*:*:*",
              "matchCriteriaId": "7745ED34-D59D-49CC-B174-96BCA03B3374",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:16.12.1w:*:*:*:*:*:*:*",
              "matchCriteriaId": "19AF4CF3-6E79-4EA3-974D-CD451A192BA9",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:16.12.1x:*:*:*:*:*:*:*",
              "matchCriteriaId": "313BD54C-073C-4F27-82D5-C99EFC3A20F7",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:16.12.1y:*:*:*:*:*:*:*",
              "matchCriteriaId": "93B96E01-3777-4C33-9225-577B469A6CE5",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:16.12.1z:*:*:*:*:*:*:*",
              "matchCriteriaId": "65FC3CC1-CF4F-4A2D-A500-04395AFE8B47",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:16.12.1za:*:*:*:*:*:*:*",
              "matchCriteriaId": "027200FC-8AD4-47E4-A404-490AE4F997EC",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:16.12.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "E5019B59-508E-40B0-9C92-2C26F58E2FBE",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:16.12.2a:*:*:*:*:*:*:*",
              "matchCriteriaId": "443D78BA-A3DA-4D1F-A4DF-2F426DC6B841",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:16.12.2s:*:*:*:*:*:*:*",
              "matchCriteriaId": "1986DB1F-AD0A-42FE-8EC8-F18BA1AD4F99",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:16.12.2t:*:*:*:*:*:*:*",
              "matchCriteriaId": "3C6FB4DC-814D-49D2-BBE2-3861AE985A1C",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:16.12.3:*:*:*:*:*:*:*",
              "matchCriteriaId": "D5750264-2990-4942-85F4-DB9746C5CA2B",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:16.12.3a:*:*:*:*:*:*:*",
              "matchCriteriaId": "02352FD8-2A7B-41BD-9E4A-F312ABFDF3EF",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:16.12.3s:*:*:*:*:*:*:*",
              "matchCriteriaId": "B9173AD6-6658-4267-AAA7-D50D0B657528",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:16.12.4:*:*:*:*:*:*:*",
              "matchCriteriaId": "7F02EE9D-45B1-43D6-B05D-6FF19472216B",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:16.12.4a:*:*:*:*:*:*:*",
              "matchCriteriaId": "1C1DBBCD-4C5A-43BB-8FB0-6F1AF99ED0D2",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:17.1.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "E306B09C-CB48-4067-B60C-5F738555EEAC",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:17.1.1a:*:*:*:*:*:*:*",
              "matchCriteriaId": "CD446C51-E713-4E46-8328-0A0477D140D2",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:17.1.1s:*:*:*:*:*:*:*",
              "matchCriteriaId": "4FF0DD16-D76A-45EA-B01A-20C71AEFA3B4",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:17.1.1t:*:*:*:*:*:*:*",
              "matchCriteriaId": "4BDD0CEC-4A19-438D-B2A1-8664A1D8F3C4",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:17.1.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "89369318-2E83-489F-B872-5F2E247BBF8F",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:17.1.3:*:*:*:*:*:*:*",
              "matchCriteriaId": "8B4D4659-A304-459F-8AB3-ED6D84B44C0F",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:17.2.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "4B7EE7C7-D6C1-4C35-8C80-EAF3FC7E7EFA",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:17.2.1a:*:*:*:*:*:*:*",
              "matchCriteriaId": "B51FA707-8DB1-4596-9122-D4BFEF17F400",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:17.2.1r:*:*:*:*:*:*:*",
              "matchCriteriaId": "C04DF35A-1B6F-420A-8D84-74EB41BF3700",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:17.2.1v:*:*:*:*:*:*:*",
              "matchCriteriaId": "211CC9B2-6108-4C50-AB31-DC527C43053E",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:17.2.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "75CCB5F1-27F5-4FF9-8389-0A9ABCF7F070",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:17.3.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "128F95D7-E49F-4B36-8F47-823C0298449E",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:17.3.1a:*:*:*:*:*:*:*",
              "matchCriteriaId": "E21B3881-37E9-4C00-9336-12C9C28D1B61",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:17.3.1w:*:*:*:*:*:*:*",
              "matchCriteriaId": "E54599DB-A85E-4EEA-9985-2CBF90E28A08",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:17.3.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "2B270A04-9961-4E99-806B-441CD674AFBD",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:17.3.2a:*:*:*:*:*:*:*",
              "matchCriteriaId": "1360069D-0358-4746-8C3F-44C2A40988D7",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:17.4.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "5A6B707B-4543-41F1-83DF-49A93BF56FB1",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:17.4.1a:*:*:*:*:*:*:*",
              "matchCriteriaId": "DC8F611B-D347-4A21-90E6-56CF4D8A35A3",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios_xe:17.4.1b:*:*:*:*:*:*:*",
              "matchCriteriaId": "D9A92CE4-B4B0-4C14-AE11-8DFE511406F3",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability in CLI management in Cisco IOS XE SD-WAN Software could allow an authenticated, local attacker to access the underlying operating system as the root user. This vulnerability is due to the way the software handles concurrent CLI sessions. An attacker could exploit this vulnerability by authenticating to the device as an administrative user and executing a sequence of commands. A successful exploit could allow the attacker to obtain access to the underlying operating system as the root user."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad en la administraci\u00f3n de la CLI en el Software Cisco IOS XE SD-WAN, podr\u00eda permitir a un atacante local autenticado acceder al sistema operativo subyacente como usuario root.\u0026#xa0;Esta vulnerabilidad es debido a la forma en que el software maneja las sesiones CLI simult\u00e1neas.\u0026#xa0;Un atacante podr\u00eda explotar esta vulnerabilidad si se autentica en el dispositivo como usuario administrativo y ejecuta una secuencia de comandos.\u0026#xa0;Una explotaci\u00f3n con \u00e9xito podr\u00eda permitir al atacante obtener acceso al sistema operativo subyacente como usuario root"
    }
  ],
  "id": "CVE-2021-1281",
  "lastModified": "2024-11-21T05:43:59.830",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 6.9,
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
          "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 3.4,
        "impactScore": 10.0,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "NONE",
          "baseScore": 5.1,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 0.8,
        "impactScore": 4.2,
        "source": "psirt@cisco.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 6.7,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 0.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-03-24T21:15:11.443",
  "references": [
    {
      "source": "psirt@cisco.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-clipriv-9TO2QGVp"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-clipriv-9TO2QGVp"
    }
  ],
  "sourceIdentifier": "psirt@cisco.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-399"
        }
      ],
      "source": "psirt@cisco.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.