Vulnerability-Lookup

ubuntu-cve-2021-4435

Vulnerability from osv_ubuntu

Published

2024-02-04 20:15

Modified

2026-05-20 14:53

Summary

Details

An untrusted search path vulnerability was found in Yarn. When a victim runs certain Yarn commands in a directory with attacker-controlled content, malicious commands could be executed in unexpected ways.

Severity

7.7 (High)


                    
                      CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

7.8 (High)


                    
                      CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2021-4435	REPORT
	https://bugzilla.redhat.com/show_bug.cgi?id=2262284	REPORT
	https://access.redhat.com/security/cve/CVE-2021-4435	REPORT
	https://github.com/yarnpkg/yarn/commit/67fcce8893…	REPORT
	https://github.com/yarnpkg/yarn/releases/tag/v1.22.13	REPORT
	https://www.cve.org/CVERecord?id=CVE-2021-4435	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "yarnpkg",
            "binary_version": "1.22.4-2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "node-yarnpkg",
        "purl": "pkg:deb/ubuntu/node-yarnpkg@1.22.4-2?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.13.0-1build1",
        "1.13.0-3",
        "1.19.1-1",
        "1.22.4-2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "yarnpkg",
            "binary_version": "1.22.10+~cs22.25.14-8"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "node-yarnpkg",
        "purl": "pkg:deb/ubuntu/node-yarnpkg@1.22.10+~cs22.25.14-8?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.22.10+~cs22.25.14-3",
        "1.22.10+~cs22.25.14-4",
        "1.22.10+~cs22.25.14-5",
        "1.22.10+~cs22.25.14-8"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "yarnpkg",
            "binary_version": "1.22.19+~cs24.27.18-4"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "node-yarnpkg",
        "purl": "pkg:deb/ubuntu/node-yarnpkg@1.22.19+~cs24.27.18-4?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.22.19+~cs24.27.18-2",
        "1.22.19+~cs24.27.18-4"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "yarnpkg",
            "binary_version": "4.1.0+dfsg-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "node-yarnpkg",
        "purl": "pkg:deb/ubuntu/node-yarnpkg@4.1.0+dfsg-1?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4.0.2+dfsg-3",
        "4.1.0+dfsg-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "yarnpkg",
            "binary_version": "4.1.0+dfsg-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "node-yarnpkg",
        "purl": "pkg:deb/ubuntu/node-yarnpkg@4.1.0+dfsg-1?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4.1.0+dfsg-1"
      ]
    }
  ],
  "aliases": [],
  "details": "An untrusted search path vulnerability was found in Yarn. When a victim runs certain Yarn commands in a directory with attacker-controlled content, malicious commands could be executed in unexpected ways.",
  "id": "UBUNTU-CVE-2021-4435",
  "modified": "2026-05-20T14:53:02Z",
  "published": "2024-02-04T20:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-4435"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2262284"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2021-4435"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/yarnpkg/yarn/commit/67fcce88935e45092ffa2674c08053f1ef5268a1"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/yarnpkg/yarn/releases/tag/v1.22.13"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-4435"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2021-4435"
  ]
}

CVE-2021-4435 (GCVE-0-2021-4435)

Vulnerability from cvelistv5 – Published: 2024-02-04 19:16 – Updated: 2025-06-17 14:29

Title

Yarn: untrusted search path

Summary

Severity

7.7 (High)


                        
                          CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

CWE-426 - Untrusted Search Path

Assigner

fedora

References

4 references

URL	Tags
https://access.redhat.com/security/cve/CVE-2021-4435	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2262284	issue-trackingx_refsource_REDHAT
https://github.com/yarnpkg/yarn/commit/67fcce8893…
https://github.com/yarnpkg/yarn/releases/tag/v1.22.13

Impacted products

3 products

Vendor	Product	Version
n/a	yarn	Unaffected: 1.22.13
Fedora	Fedora
Fedora	Extra Packages for Enterprise Linux

Date Public

2021-09-20 00:00

Credits

Red Hat would like to thank Paul Gerste (Sonar) for reporting this issue.

Show details on NVD website

JSON

To clipboard

{
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        "providerMetadata": {
          "dateUpdated": "2024-08-03T17:30:07.387Z",
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          },
          {
            "tags": [
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            ],
            "url": "https://github.com/yarnpkg/yarn/commit/67fcce88935e45092ffa2674c08053f1ef5268a1"
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          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/yarnpkg/yarn/releases/tag/v1.22.13"
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        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
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                "id": "CVE-2021-4435",
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                  },
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                  },
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                  }
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                "role": "CISA Coordinator",
                "timestamp": "2025-06-17T14:29:04.160012Z",
                "version": "2.0.3"
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    "cna": {
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          "vendor": "n/a",
          "versions": [
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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.

Detection rules are retrieved from Rulezet.

Action not permitted

ubuntu-cve-2021-4435

Vulnerability from osv_ubuntu

CVE-2021-4435 (GCVE-0-2021-4435)

Tags

Sightings

Nomenclature