Vulnerability-Lookup

GSD-2021-21695

Vulnerability from gsd - Updated: 2023-12-13 01:23

Details

FilePath#listFiles lists files outside directories that agents are allowed to access when following symbolic links in Jenkins 2.318 and earlier, LTS 2.303.2 and earlier.

Aliases

CVE-2021-21695

Aliases

CVE-2021-21695

JSON

To clipboard

{
  "GSD": {
    "alias": "CVE-2021-21695",
    "description": "FilePath#listFiles lists files outside directories that agents are allowed to access when following symbolic links in Jenkins 2.318 and earlier, LTS 2.303.2 and earlier.",
    "id": "GSD-2021-21695",
    "references": [
      "https://access.redhat.com/errata/RHSA-2021:4833",
      "https://access.redhat.com/errata/RHSA-2021:4829",
      "https://access.redhat.com/errata/RHSA-2021:4827",
      "https://access.redhat.com/errata/RHSA-2021:4801",
      "https://access.redhat.com/errata/RHSA-2021:4799",
      "https://security.archlinux.org/CVE-2021-21695"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
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      ],
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      "id": "GSD-2021-21695",
      "modified": "2023-12-13T01:23:11.351268Z",
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    }
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          "pubdate": "2021-11-04",
          "solution": "Upgrade to version 2.319 or above.",
          "title": "Missing Authorization",
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            },
            {
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                "Third Party Advisory"
              ],
              "url": "http://www.openwall.com/lists/oss-security/2021/11/04/3"
            }
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      },
      "impact": {
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          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 6.8,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
            "version": "2.0"
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          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": true
        },
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            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 2.8,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2023-11-22T21:22Z",
      "publishedDate": "2021-11-04T17:15Z"
    }
  }
}

CVE-2021-21695 (GCVE-0-2021-21695)

Vulnerability from cvelistv5 – Published: 2021-11-04 16:30 – Updated: 2024-08-03 18:23

Summary

FilePath#listFiles lists files outside directories that agents are allowed to access when following symbolic links in Jenkins 2.318 and earlier, LTS 2.303.2 and earlier.

Severity

No CVSS data available.

Assigner

jenkins mitre root

References

2 references

URL	Tags
https://www.jenkins.io/security/advisory/2021-11-…	x_refsource_CONFIRM
http://www.openwall.com/lists/oss-security/2021/11/04/3	mailing-listx_refsource_MLIST

Impacted products

1 product

Vendor	Product	Version
Jenkins project	Jenkins	Affected: unspecified , ≤ 2.318 (custom) Affected: unspecified , ≤ LTS 2.303.2 (custom)

Show details on NVD website

JSON

To clipboard

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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.

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.

Action not permitted

GSD-2021-21695

CVE-2021-21695 (GCVE-0-2021-21695)

Tags

Sightings

Nomenclature

Related by attack behaviour