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CVE-2013-4490

Status: ModifiedMedium (6.5)—

The SSH key upload feature (lib/gitlab_keys.rb) in gitlab-shell before 1.7.3, as used in GitLab 5.0 before 5.4.1 and 6.x before 6.2.3, allows remote authenticated users to execute arbitrary commands via shell metacharacters in the public key.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (2)

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2013-4490",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "secalert@redhat.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2014-05-13T15:55:03.937",
  "references": [
    {
      "url": "https://www.gitlab.com/2013/11/04/gitlab-ce-6-2-and-5-4-security-release/",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://www.gitlab.com/2013/11/04/gitlab-ce-6-2-and-5-4-security-release/",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The SSH key upload feature (lib/gitlab_keys.rb) in gitlab-shell before 1.7.3, as used in GitLab 5.0 before 5.4.1 and 6.x before 6.2.3, allows remote authenticated users to execute arbitrary commands via shell metacharacters in the public key."
    },
    {
      "lang": "es",
      "value": "La funcionalidad de de subida de clave SSH (lib/gitlab_keys.rb) en gitlab-shell anterior a 1.7.3, utilizado en GitLab 5.0 anterior a 5.4.1 y 6.x anterior a 6.2.3, permite a usuarios remotos autenticados ejecutar comandos arbitrarios a través de metacaracteres de shell en la clave pública."
    }
  ],
  "lastModified": "2026-06-16T23:57:19.373",
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  "evaluatorComment": "Per: http://cwe.mitre.org/data/definitions/77.html\n\n\"CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection')\"",
  "sourceIdentifier": "secalert@redhat.com"
}