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CVE-2021-3725

Status: ModifiedHigh (8.8)—

Vulnerability in dirhistory plugin Description: the widgets that go back and forward in the directory history, triggered by pressing Alt-Left and Alt-Right, use functions that unsafely execute eval on directory names. If you cd into a directory with a carefully-crafted name, then press Alt-Left, the system is subject to command injection. Impacted areas: - Functions pop_past and pop_future in dirhistory plugin.

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 (1)

Planetargon — OH MY ZSH

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2021-3725",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security@huntr.dev",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "HIGH",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.6
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 8.8,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
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          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
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        "impactScore": 5.9,
        "exploitabilityScore": 2.8
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  "affected": [
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      "affectedData": [
        {
          "vendor": "ohmyzsh",
          "product": "ohmyzsh/ohmyzsh",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "06fc5fb",
              "versionType": "custom"
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          ]
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    }
  ],
  "published": "2021-11-30T10:15:08.670",
  "references": [
    {
      "url": "https://github.com/ohmyzsh/ohmyzsh/commit/06fc5fb",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "security@huntr.dev"
    },
    {
      "url": "https://github.com/ohmyzsh/ohmyzsh/commit/06fc5fb",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security@huntr.dev",
      "description": [
        {
          "lang": "en",
          "value": "CWE-78"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-94"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Vulnerability in dirhistory plugin Description: the widgets that go back and forward in the directory history, triggered by pressing Alt-Left and Alt-Right, use functions that unsafely execute eval on directory names. If you cd into a directory with a carefully-crafted name, then press Alt-Left, the system is subject to command injection. Impacted areas: - Functions pop_past and pop_future in dirhistory plugin."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad en el plugin dirhistory Descripción: los widgets que retroceden y avanzan en el historial de directorios, activados al pulsar Alt-Izquierda y Alt-Derecha, usan funciones que ejecutan de forma insegura eval sobre nombres de directorios. Si se entra en un directorio con un nombre cuidadosamente diseñado, y luego se presiona Alt-Izquierda, el sistema está sujeto a la inyección de comandos. Áreas afectadas: - Funciones pop_past y pop_future en el plugin dirhistory"
    }
  ],
  "lastModified": "2026-06-17T04:05:38.660",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:planetargon:oh_my_zsh:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "48D79331-6AA8-4848-A0B1-E3B487932DA2",
              "versionEndExcluding": "11-11-2021"
            }
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          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security@huntr.dev"
}