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CVE-2017-0921

Status: ModifiedHigh (8.1)—

GitLab Community and Enterprise Editions before 10.1.6, 10.2.6, and 10.3.4 are vulnerable to an unverified password change issue in the PasswordsController component resulting in potential account takeover if a victim's session is compromised.

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)

Gitlab — Gitlab

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2017-0921",
  "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": false
      }
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    "cvssMetricV30": [
      {
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        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 8.1,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 2.2
      }
    ]
  },
  "affected": [
    {
      "source": "support@hackerone.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2018-07-03T21:29:00.340",
  "references": [
    {
      "url": "https://about.gitlab.com/2018/05/29/security-release-gitlab-10-dot-8-dot-2-released/",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "support@hackerone.com"
    },
    {
      "url": "https://about.gitlab.com/2018/05/29/security-release-gitlab-10-dot-8-dot-2-released/",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-640"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "GitLab Community and Enterprise Editions before 10.1.6, 10.2.6, and 10.3.4 are vulnerable to an unverified password change issue in the PasswordsController component resulting in potential account takeover if a victim's session is compromised."
    },
    {
      "lang": "es",
      "value": "Las ediciones Community y Enterprise de Gitlab, en versiones anteriores a la 10.1.6, 10.2.6 y 10.3.4, son vulnerables a un problema de cambio de contraseña sin verificar en el componente PasswordsController, lo que resulta en la toma de control de la cuenta si la sesión de la víctima se ve comprometida."
    }
  ],
  "lastModified": "2026-06-17T00:58:31.887",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
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}