CWE-303

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          "product": "Nextcloud Server \u0026 ownCloud Server Nextcloud Server before 9.0.54 and 10.0.1 \u0026 ownCloud Server before 9.1.2, 9.0.6, and 8.2.9",
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      "datePublic": "2017-03-27T00:00:00.000Z",
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          "value": "Nextcloud Server before 9.0.54 and 10.0.1 \u0026 ownCloud Server before 9.1.2, 9.0.6, and 8.2.9 suffer from SMB User Authentication Bypass. Nextcloud/ownCloud include an optional and not by default enabled SMB authentication component that allows authenticating users against an SMB server. This backend is implemented in a way that tries to connect to a SMB server and if that succeeded consider the user logged-in. The backend did not properly take into account SMB servers that have any kind of anonymous auth configured. This is the default on SMB servers nowadays and allows an unauthenticated attacker to gain access to an account without valid credentials. Note: The SMB backend is disabled by default and requires manual configuration in the Nextcloud/ownCloud config file. If you have not configured the SMB backend then you\u0027re not affected by this vulnerability."
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    "cveId": "CVE-2016-9463",
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    "dateReserved": "2016-11-19T00:00:00.000Z",
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    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-01-14T18:15:54Z",
    "severity": "CRITICAL"
  },
  "details": "Windows NTLM V1 Elevation of Privilege Vulnerability",
  "id": "GHSA-29f7-2v24-7hpm",
  "modified": "2025-01-14T18:32:04Z",
  "published": "2025-01-14T18:32:04Z",
  "references": [
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      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-21311"
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      "type": "CVSS_V3"
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      "CWE-303"
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  "details": "### Summary\nThe `DigestAuthentication.apply()` method in Jetty\u0027s HTTP client uses `getBytes(StandardCharsets.ISO_8859_1)` at three locations (lines 171, 179, 196) to compute Digest auth response hashes. ISO-8859-1 silently replaces any character above U+00FF (Chinese, Japanese, Cyrillic, Arabic, Emoji, etc.) with 0x3F (`?`), causing all such characters to produce identical hash contributions. An attacker who knows a victim\u0027s username can bypass Digest authentication by replacing all non-Latin-1 characters in the password with `?` characters, since the collision password produces the same MD5-based Digest response hash as the original password.\n\n### Details\n### Root Cause\n\nIn `jetty-core/jetty-client/src/main/java/org/eclipse/jetty/client/DigestAuthentication.java`, the `apply()` method computes the three Digest auth hashes (H(A1), H(A2), and the final response) using ISO-8859-1 character encoding:\n\n```java\n// Line 171 \u2014 H(A1)\nString hashA1 = toHexString(digester.digest(a1.getBytes(StandardCharsets.ISO_8859_1)));\n\n// Line 179 \u2014 H(A2)\nString hashA2 = toHexString(digester.digest(a2.getBytes(StandardCharsets.ISO_8859_1)));\n\n// Line 196 \u2014 Final response hash\nfinal String hashA3 = toHexString(digester.digest(a3.getBytes(StandardCharsets.ISO_8859_1)));\n```\n\nISO-8859-1 (Latin-1) can only encode characters in the range U+0000\u2013U+00FF. Any character outside this range \u2014 including all CJK, Cyrillic, Arabic, Greek, Hangul, and emoji characters \u2014 is silently replaced with the byte `0x3F` (`?`). `String.getBytes(ISO_8859_1)` in Java performs this replacement without any warning or exception.\n\n### PoC\n```\nPassword: \"\u6211\u7231Java!\u5bc6\u7801123\u2605\" (7 non-Latin-1 characters)\n\nUTF-8 encoding:    45 bytes \u2192 MD5 H(A1) = 9a4e61484f228633d5d0f95d1bbb0a99\nISO-8859-1:        31 bytes \u2192 MD5 H(A1) = d60ddc903d71913bcc3ab4a94f7fc239\nCollision \"??...\": 31 bytes \u2192 MD5 H(A1) = d60ddc903d71913bcc3ab4a94f7fc239 \u2190 IDENTICAL\n```\n\nMulti-language confirmation \u2014 all four language passwords below produce the same hash:\n\n```\nChinese (\u5bc6\u7801123)  \u2192 H(A1) = db87f31e8d96cd15f9acec7eabdc4560\nKorean  (\ube44\ubc88123)  \u2192 H(A1) = db87f31e8d96cd15f9acec7eabdc4560\nCyrillic(\u0430\u0431123)    \u2192 H(A1) = db87f31e8d96cd15f9acec7eabdc4560\nGreek   (\u03b1\u03b2123)    \u2192 H(A1) = db87f31e8d96cd15f9acec7eabdc4560\nAttacker(??123)    \u2192 H(A1) = db87f31e8d96cd15f9acec7eabdc4560 \u2190 all collide!\n```\n\n### Impact\n**Scenario 1: Authentication Bypass (Collision Attack)**\n\nIf a service using Jetty for Digest authentication has a user with a non-Latin-1 password (e.g., Chinese, Japanese, Russian), an attacker can authenticate as that user using a collision password where all non-Latin-1 characters are replaced with `?`:\n\n- Original password: `\u6211\u7231Java!\u5bc6\u7801123\u2605`\n- Collision password: `??Java!??123?`\n- **Both produce identical MD5 hashes under ISO-8859-1** \u2192 Authentication succeeds\n\nThis affects any password containing characters \u003e U+00FF, which covers:\n- Chinese (CJK): U+4E00\u2013U+9FFF\n- Japanese (Hiragana/Katakana/Kanji): U+3040\u2013U+30FF, U+4E00+\n- Korean (Hangul): U+AC00\u2013U+D7AF\n- Cyrillic: U+0400\u2013U+04FF (Russian, Ukrainian, Bulgarian, etc.)\n- Arabic: U+0600\u2013U+06FF\n- Greek: U+0370\u2013U+03FF\n- Latin Extended: U+0100\u2013U+024F (accented European characters like \u0109, \u011f, \u00f1 when \u003e U+00FF)\n- Emoji / Symbols \u003e U+00FF\n\n**Scenario 2: Denial of Service for Non-Latin-1 Users**\n\nMost modern web applications store password hashes computed using UTF-8. When Jetty\u0027s Digest client computes a hash with ISO-8859-1, the bytes differ from what the server stored/expects. This means **any user with non-ASCII (Latin-1+) characters in their password can never successfully authenticate via Digest auth** \u2014 even the legitimate user. This is not just a security issue but a functional correctness bug that silently breaks authentication for most non-European-language users.",
  "id": "GHSA-2fvj-hgj9-j2gr",
  "modified": "2026-07-22T22:55:19Z",
  "published": "2026-07-22T22:55:18Z",
  "references": [
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      "url": "https://github.com/jetty/jetty.project/security/advisories/GHSA-2fvj-hgj9-j2gr"
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      "url": "https://github.com/jetty/jetty.project/issues/15136"
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      "url": "https://github.com/jetty/jetty.project/pull/15160"
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      "url": "https://github.com/jetty/jetty.project/pull/15183"
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      "type": "CVSS_V4"
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  "summary": "Eclipse Jetty Digest Authentication: ISO-8859-1 lossy encoding allows authentication bypass via character substitution"
}

{
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        "ecosystem": "PyPI",
        "name": "social-auth-app-django"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.4.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2024-32879"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-178",
      "CWE-303"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2024-04-24T18:47:21Z",
    "nvd_published_at": "2024-04-24T20:15:07Z",
    "severity": "MODERATE"
  },
  "details": "### Impact\nDue to default case-insensitive collation in MySQL or MariaDB databases, third-party authentication user IDs are not case-sensitive and could cause different IDs to match.\n\n### Patches\nThis issue has been addressed by https://github.com/python-social-auth/social-app-django/pull/566 and fix released in 5.4.1.\n\n### Workarounds\nAn immediate workaround would be to change collation of the affected field:\n\n```mysql\nALTER TABLE `social_auth_usersocialauth` MODIFY `uid` varchar(255) COLLATE `utf8_bin`;\n```\n\n### References\nThis issue was discovered by folks at https://opencraft.com/.\n",
  "id": "GHSA-2gr8-3wc7-xhj3",
  "modified": "2024-08-28T20:09:46Z",
  "published": "2024-04-24T18:47:21Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/python-social-auth/social-app-django/security/advisories/GHSA-2gr8-3wc7-xhj3"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-32879"
    },
    {
      "type": "WEB",
      "url": "https://github.com/python-social-auth/social-app-django/pull/566"
    },
    {
      "type": "WEB",
      "url": "https://github.com/python-social-auth/social-app-django/commit/31c3e0c7edb187004d8abbde7e9c4f7ef9098138"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/python-social-auth/social-app-django"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "social-auth-app-django affected by Improper Handling of Case Sensitivity"
}

{
  "affected": [],
  "aliases": [
    "CVE-2025-53782"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-303"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-10-14T17:15:44Z",
    "severity": "HIGH"
  },
  "details": "Incorrect implementation of authentication algorithm in Microsoft Exchange Server allows an unauthorized attacker to elevate privileges locally.",
  "id": "GHSA-2jpf-9r3f-f5p3",
  "modified": "2025-10-14T18:30:30Z",
  "published": "2025-10-14T18:30:30Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-53782"
    },
    {
      "type": "WEB",
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53782"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

{
  "affected": [],
  "aliases": [
    "CVE-2026-9854"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-303"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-03T13:06:26Z",
    "severity": "HIGH"
  },
  "details": "A vulnerability exists in SYS600 RBAC mechanism where users having access to the engineering tools could elevate their privileges to administrator level on the underlying Windows host, granting themselves full control over the host machine.",
  "id": "GHSA-3968-4qvg-96wm",
  "modified": "2026-09-09T21:31:15Z",
  "published": "2026-09-03T15:32:22Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-9854"
    },
    {
      "type": "WEB",
      "url": "https://publisher.hitachienergy.com/preview?DocumentID=8DBD000249\u0026LanguageCode=en\u0026DocumentPartId=\u0026Action=Launch"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/mattermost/mattermost/server/v8"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "8.0.0-20251212052346-61651b0df7ea"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c 11.1.3"
      },
      "package": {
        "ecosystem": "Go",
        "name": "github.com/mattermost/mattermost-server"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "11.1.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c 10.11.10"
      },
      "package": {
        "ecosystem": "Go",
        "name": "github.com/mattermost/mattermost-server"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "10.11.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c 11.2.2"
      },
      "package": {
        "ecosystem": "Go",
        "name": "github.com/mattermost/mattermost-server"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "11.2.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/mattermost/mattermost-server"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.3.2-0.20251212052346-61651b0df7ea"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-0999"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-303"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-02-19T19:34:56Z",
    "nvd_published_at": "2026-02-16T10:16:08Z",
    "severity": "MODERATE"
  },
  "details": "Mattermost versions 11.1.x \u003c= 11.1.2, 10.11.x \u003c= 10.11.9, 11.2.x \u003c= 11.2.1 fail to properly validate login method restrictions which allows an authenticated user to bypass SSO-only login requirements via userID-based authentication. Mattermost Advisory ID: MMSA-2025-00548",
  "id": "GHSA-3c9r-7f29-qp32",
  "modified": "2026-02-19T19:34:56Z",
  "published": "2026-02-16T12:30:24Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-0999"
    },
    {
      "type": "WEB",
      "url": "https://github.com/mattermost/mattermost/commit/61651b0df7ea5db55d1e54f8d6fb5fce4149309c"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/mattermost/mattermost"
    },
    {
      "type": "WEB",
      "url": "https://mattermost.com/security-updates"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Mattermost fails to properly validate login method restrictions"
}

{
  "affected": [],
  "aliases": [
    "CVE-2026-11430"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-303"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-07T19:17:34Z",
    "severity": "MODERATE"
  },
  "details": "Grav CMS\u0027s scheduler-webhook plugin contains an authentication bypass in the webhook token check. When the webhook feature is enabled but no webhookToken is configured, a compound conditional short-circuits and skips token validation, so an unauthenticated remote attacker who can reach POST /scheduler/webhook can trigger the operator\u0027s already-configured scheduled jobs by sending a single request. The primitive is triggering-existing-jobs, not attacker-chosen command execution: the attacker controls when the jobs run and which one runs (via ?job=), but does not control what the jobs do. Code execution follows only when the operator has configured a job that shells out, and even then the attacker controls timing rather than payload. Not a default-install issue: reaching the endpoint requires the separate scheduler-webhook GPM plugin to be installed, scheduler.modern.webhook.enabled to be true (default false), and no webhookToken to be configured; a stock Grav or Grav-Admin install exposes nothing here.",
  "id": "GHSA-3m6r-m23g-m2w9",
  "modified": "2026-08-07T21:30:37Z",
  "published": "2026-08-07T21:30:37Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/getgrav/grav/security/advisories/GHSA-xwv3-2mv2-w33x"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-11430"
    },
    {
      "type": "WEB",
      "url": "https://github.com/getgrav/grav/commit/694f1dae06d9061bbf0669c4291e3b206f998d71"
    },
    {
      "type": "WEB",
      "url": "https://github.com/getgrav/grav"
    },
    {
      "type": "WEB",
      "url": "https://www.vulncheck.com/advisories/grav-cms-scheduler-webhook-authentication-bypass-via-null-short-circuit"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/mattermost/mattermost/server/v8"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "8.0.0-20251028000919-d3ed703dc833"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/mattermost/mattermost-server"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "10.12.0"
            },
            {
              "fixed": "10.12.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/mattermost/mattermost-server"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "10.11.0"
            },
            {
              "fixed": "10.11.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/mattermost/mattermost-server"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "10.5.0"
            },
            {
              "fixed": "10.5.13"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/mattermost/mattermost-server"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "11.0.0"
            },
            {
              "fixed": "11.0.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2025-12419"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-287",
      "CWE-303"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2025-12-01T23:56:55Z",
    "nvd_published_at": "2025-11-27T16:15:46Z",
    "severity": "CRITICAL"
  },
  "details": "Mattermost versions 10.12.x \u003c= 10.12.1, 10.11.x \u003c= 10.11.4, 10.5.x \u003c= 10.5.12, 11.0.x \u003c= 11.0.3 fail to properly validate OAuth state tokens during OpenID Connect authentication which allows an authenticated attacker with team creation privileges to take over a user account via manipulation of authentication data during the OAuth completion flow. This requires email verification to be disabled (default: disabled), OAuth/OpenID Connect to be enabled, and the attacker to control two users in the SSO system with one of them never having logged into Mattermost.",
  "id": "GHSA-3x39-62h4-f8j6",
  "modified": "2025-12-17T00:41:08Z",
  "published": "2025-11-27T18:30:25Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-12419"
    },
    {
      "type": "WEB",
      "url": "https://github.com/mattermost/mattermost/pull/34296"
    },
    {
      "type": "WEB",
      "url": "https://github.com/mattermost/mattermost/commit/15364790cc277cfaa372693d2d5442b87f70fd42"
    },
    {
      "type": "WEB",
      "url": "https://github.com/mattermost/mattermost/commit/364c2203de00fe0d8424b6b46d6f0eeb02a2539a"
    },
    {
      "type": "WEB",
      "url": "https://github.com/mattermost/mattermost/commit/46b5c436bb3093cc1da3fa2455f93d4c52389eee"
    },
    {
      "type": "WEB",
      "url": "https://github.com/mattermost/mattermost/commit/c3f4818afe46a7084740e809708ae22641c76d8d"
    },
    {
      "type": "WEB",
      "url": "https://github.com/mattermost/mattermost/commit/d3ed703dc8330684952eb8d49a375bac6ea7b0c6"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-3x39-62h4-f8j6"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/mattermost/mattermost"
    },
    {
      "type": "WEB",
      "url": "https://mattermost.com/security-updates"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Mattermost fails to properly validate OAuth state tokens during OpenID Connect authentication"
}

{
  "affected": [],
  "aliases": [
    "CVE-2022-43635"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-303"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2023-03-29T19:15:00Z",
    "severity": "MODERATE"
  },
  "details": "This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of TP-Link TL-WR940N 6_211111 3.20.1(US) routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the httpd service, which listens on TCP port 80 by default. The issue results from the incorrect implementation of the authentication algorithm. An attacker can leverage this vulnerability to disclose stored credentials, leading to further compromise. Was ZDI-CAN-17332.",
  "id": "GHSA-44h9-27pc-757g",
  "modified": "2023-04-07T15:30:39Z",
  "published": "2023-03-29T21:30:18Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-43635"
    },
    {
      "type": "WEB",
      "url": "https://www.zerodayinitiative.com/advisories/ZDI-22-1615"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}