CVE-2025-53827 (GCVE-0-2025-53827)
Vulnerability from cvelistv5 – Published: 2026-07-06 14:31 – Updated: 2026-07-06 14:39
VLAI
Title
ownCloud Core: Updater has an exposed dangerous method or function
Summary
ownCloud Core is the server-side component of the file storage, synchronization, and sharing application ownCloud Classic. In versions prior to 10.15.3, the Updater on ownCloud 10 before 10.15.3 has an exposed dangerous method or function. Attackers with administrative privileges may leverage functionality to execute arbitrary code. This issue has been fixed in version 10.15.3.
Severity
9.1 (Critical)
CWE
- CWE-749 - Exposed Dangerous Method or Function
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/owncloud/security-advisories/s… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| owncloud | ownCloud Core |
Affected:
< 10.15.3
|
{
"containers": {
"cna": {
"affected": [
{
"product": "ownCloud Core",
"vendor": "owncloud",
"versions": [
{
"status": "affected",
"version": "\u003c 10.15.3"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "ownCloud Core is the server-side component of the file storage, synchronization, and sharing application ownCloud Classic. In versions prior to 10.15.3, the Updater on ownCloud 10 before 10.15.3 has an exposed dangerous method or function. Attackers with administrative privileges may leverage functionality to execute arbitrary code. This issue has been fixed in version 10.15.3."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.1,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-749",
"description": "CWE-749: Exposed Dangerous Method or Function",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-07-06T14:39:25.899Z",
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M"
},
"references": [
{
"name": "https://github.com/owncloud/security-advisories/security/advisories/GHSA-hvcx-ph66-mmvw",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/owncloud/security-advisories/security/advisories/GHSA-hvcx-ph66-mmvw"
}
],
"source": {
"advisory": "GHSA-hvcx-ph66-mmvw",
"discovery": "UNKNOWN"
},
"title": "ownCloud Core: Updater has an exposed dangerous method or function"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2025-53827",
"datePublished": "2026-07-06T14:31:07.220Z",
"dateReserved": "2025-07-09T14:14:52.530Z",
"dateUpdated": "2026-07-06T14:39:25.899Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2025-53827\",\"sourceIdentifier\":\"security-advisories@github.com\",\"published\":\"2026-07-06T16:16:26.740\",\"lastModified\":\"2026-07-06T18:23:21.287\",\"vulnStatus\":\"Deferred\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"ownCloud Core is the server-side component of the file storage, synchronization, and sharing application ownCloud Classic. In versions prior to 10.15.3, the Updater on ownCloud 10 before 10.15.3 has an exposed dangerous method or function. Attackers with administrative privileges may leverage functionality to execute arbitrary code. This issue has been fixed in version 10.15.3.\"}],\"affected\":[{\"source\":\"security-advisories@github.com\",\"affectedData\":[{\"vendor\":\"owncloud\",\"product\":\"ownCloud Core\",\"versions\":[{\"version\":\"\u003c 10.15.3\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H\",\"baseScore\":9.1,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"HIGH\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.3,\"impactScore\":6.0}]},\"weaknesses\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-749\"}]}],\"references\":[{\"url\":\"https://github.com/owncloud/security-advisories/security/advisories/GHSA-hvcx-ph66-mmvw\",\"source\":\"security-advisories@github.com\"}]}}"
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
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.
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