2025-10-31 9:2CVE-2025-30189OX
PUBLISHED5.2CWE-1250

When cache is enabled, some passdb/userdb drivers incorrectly cache all users with same cache key, causing wrong cached information to be used for these users. After cached login, all subsequent logins are for same user. Install fixed version or disable caching either globally or for the impacted passdb/userdb drivers. No publicly available exploits are known.

Problem type

Affected products

Open-Xchange GmbH

OX Dovecot Pro

<= 2.4.0 - AFFECTED

References

GitHub Security Advisories

GHSA-396v-898v-98hg

When cache is enabled, some passdb/userdb drivers incorrectly cache all users with same cache key...

https://github.com/advisories/GHSA-396v-898v-98hg

When cache is enabled, some passdb/userdb drivers incorrectly cache all users with same cache key, causing wrong cached information to be used for these users. After cached login, all subsequent logins are for same user. Install fixed version or disable caching either globally or for the impacted passdb/userdb drivers. No publicly available exploits are known.

JSON source

Click to expand
{
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "cveMetadata": {
    "cveId": "CVE-2025-30189",
    "assignerOrgId": "8ce71d90-2354-404b-a86e-bec2cc4e6981",
    "assignerShortName": "OX",
    "dateUpdated": "2025-10-31T18:37:37.432Z",
    "dateReserved": "2025-03-18T08:39:46.884Z",
    "datePublished": "2025-10-31T09:02:33.273Z",
    "state": "PUBLISHED"
  },
  "containers": {
    "cna": {
      "providerMetadata": {
        "orgId": "8ce71d90-2354-404b-a86e-bec2cc4e6981",
        "shortName": "OX",
        "dateUpdated": "2025-10-31T09:24:53.340Z"
      },
      "descriptions": [
        {
          "lang": "en",
          "value": "When cache is enabled, some passdb/userdb drivers incorrectly cache all users with same cache key, causing wrong cached information to be used for these users. After cached login, all subsequent logins are for same user. Install fixed version or disable caching either globally or for the impacted passdb/userdb drivers. No publicly available exploits are known."
        }
      ],
      "affected": [
        {
          "vendor": "Open-Xchange GmbH",
          "product": "OX Dovecot Pro",
          "modules": [
            "core"
          ],
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "0",
              "status": "affected",
              "versionType": "semver",
              "lessThanOrEqual": "2.4.0"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "lang": "en",
              "description": "Improper Preservation of Consistency Between Independent Representations of Shared State",
              "cweId": "CWE-1250",
              "type": "cwe"
            }
          ]
        }
      ],
      "references": [
        {
          "url": "https://documentation.open-xchange.com/dovecot/security/advisories/csaf/2025/oxdc-adv-2025-0001.json",
          "tags": [
            "vendor-advisory"
          ]
        }
      ],
      "metrics": [
        {
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ],
          "cvssV3_1": {
            "version": "3.1",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
            "attackVector": "NETWORK",
            "attackComplexity": "HIGH",
            "privilegesRequired": "NONE",
            "userInteraction": "NONE",
            "scope": "UNCHANGED",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "availabilityImpact": "NONE",
            "baseScore": 7.4,
            "baseSeverity": "HIGH"
          }
        }
      ]
    },
    "adp": [
      {
        "providerMetadata": {
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE",
          "dateUpdated": "2025-10-31T09:05:26.080Z"
        },
        "title": "CVE Program Container",
        "references": [
          {
            "url": "http://seclists.org/fulldisclosure/2025/Oct/29"
          }
        ]
      },
      {
        "providerMetadata": {
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP",
          "dateUpdated": "2025-10-31T18:37:37.432Z"
        },
        "title": "CISA ADP Vulnrichment",
        "metrics": [
          {}
        ]
      }
    ]
  }
}

Mitre source

https://cveawg.mitre.org/api/cve/CVE-2025-30189