Vulnerability-Lookup

FKIE_CVE-2018-20131

Vulnerability from fkie_nvd - Published: 2019-01-03 01:29 - Updated: 2026-06-17 01:52

Severity

7.8 (High) - CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Summary

The Code42 app before 6.8.4, as used in Code42 for Enterprise, on Linux installs with overly permissive permissions on the /usr/local/crashplan/log directory. This allows a user to manipulate symbolic links to escalate privileges, or show the contents of sensitive files that a regular user would not have access to.

References

URL	Tags
cve@mitre.org	http://www.securityfocus.com/bid/106452	Third Party Advisory, VDB Entry
cve@mitre.org	https://code42.com/r/support/CVE-2018-20131
af854a3a-2127-422b-91ae-364da2661108	http://www.securityfocus.com/bid/106452	Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108	https://code42.com/r/support/CVE-2018-20131

Impacted products

	Vendor	Product	Version
	code42	code42	*
	linux	linux_kernel	-

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:code42:code42:*:*:*:*:enterprise:*:*:*",
              "matchCriteriaId": "7584B102-7D10-4B64-939B-6D0C4C405585",
              "versionEndExcluding": "6.8.4",
              "vulnerable": true
            }
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          "negate": false,
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        },
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              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Code42 app before 6.8.4, as used in Code42 for Enterprise, on Linux installs with overly permissive permissions on the /usr/local/crashplan/log directory. This allows a user to manipulate symbolic links to escalate privileges, or show the contents of sensitive files that a regular user would not have access to."
    },
    {
      "lang": "es",
      "value": "En Linux, la aplicaci\u00f3n de Code42 en versiones anteriores a la 6.8.4 tal y como se utiliza en Code42 para Enterprise se instala con permisos demasiado permisivos en el directorio /usr/local/crashplan/log. Esto permite a los usuarios manipular enlaces simb\u00f3licos para escalar privilegios o mostrar los contenidos de archivos sensibles a los que un usuario normal no tendr\u00eda acceso."
    }
  ],
  "id": "CVE-2018-20131",
  "lastModified": "2026-06-17T01:52:19.213",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.6,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.0"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2019-01-03T01:29:00.443",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/106452"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://code42.com/r/support/CVE-2018-20131"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/106452"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://code42.com/r/support/CVE-2018-20131"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-732"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2018-20131 (GCVE-0-2018-20131)

Vulnerability from cvelistv5 – Published: 2019-01-03 01:00 – Updated: 2024-08-05 11:51

Summary

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

2 references

URL	Tags
http://www.securityfocus.com/bid/106452	vdb-entryx_refsource_BID
https://code42.com/r/support/CVE-2018-20131	x_refsource_MISC

Date Public

2019-01-02 00:00

Show details on NVD website

JSON

To clipboard

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        "providerMetadata": {
          "dateUpdated": "2024-08-05T11:51:19.199Z",
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            ],
            "url": "https://code42.com/r/support/CVE-2018-20131"
          }
        ],
        "title": "CVE Program Container"
      }
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      "providerMetadata": {
        "dateUpdated": "2019-09-18T16:19:46.000Z",
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        {
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          ],
          "url": "https://code42.com/r/support/CVE-2018-20131"
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      ],
      "x_legacyV4Record": {
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    "state": "PUBLISHED"
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  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.