CVE-2024-37886 (GCVE-0-2024-37886)
Vulnerability from cvelistv5 – Published: 2024-06-14 15:45 – Updated: 2024-08-02 03:57
VLAI
EPSS
VEX
Title
Nextcloud user_oidc's ID4me does not validate signature or expiration
Summary
user_oidc app is an OpenID Connect user backend for Nextcloud. An attacker could potentially trick the app into accepting a request that is not signed by the correct server. It is recommended that the Nextcloud user_oidc app is upgraded to 1.3.5, 2.0.0, 3.0.0, 4.0.0 or 5.0.0.
Severity
5.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-06-15 20:26 UTC
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/nextcloud/security-advisories/… | x_refsource_CONFIRM |
| https://github.com/nextcloud/user_oidc/pull/715 | x_refsource_MISC |
| https://hackerone.com/reports/1878391 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| nextcloud | security-advisories |
Affected:
< 1.3.5
|
guessed |
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2024-37886",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-06-15T20:26:07.568535Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2024-06-15T20:30:30.682Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
},
{
"providerMetadata": {
"dateUpdated": "2024-08-02T03:57:40.025Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"name": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-vw5h-29xf-g55g",
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-vw5h-29xf-g55g"
},
{
"name": "https://github.com/nextcloud/user_oidc/pull/715",
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://github.com/nextcloud/user_oidc/pull/715"
},
{
"name": "https://hackerone.com/reports/1878391",
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://hackerone.com/reports/1878391"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "security-advisories",
"vendor": "nextcloud",
"versions": [
{
"status": "affected",
"version": "\u003c 1.3.5"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "user_oidc app is an OpenID Connect user backend for Nextcloud. An attacker could potentially trick the app into accepting a request that is not signed by the correct server. It is recommended that the Nextcloud user_oidc app is upgraded to 1.3.5, 2.0.0, 3.0.0, 4.0.0 or 5.0.0."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.4,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-347",
"description": "CWE-347: Improper Verification of Cryptographic Signature",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-06-14T15:45:12.913Z",
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M"
},
"references": [
{
"name": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-vw5h-29xf-g55g",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-vw5h-29xf-g55g"
},
{
"name": "https://github.com/nextcloud/user_oidc/pull/715",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/nextcloud/user_oidc/pull/715"
},
{
"name": "https://hackerone.com/reports/1878391",
"tags": [
"x_refsource_MISC"
],
"url": "https://hackerone.com/reports/1878391"
}
],
"source": {
"advisory": "GHSA-vw5h-29xf-g55g",
"discovery": "UNKNOWN"
},
"title": "Nextcloud user_oidc\u0027s ID4me does not validate signature or expiration"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2024-37886",
"datePublished": "2024-06-14T15:45:12.913Z",
"dateReserved": "2024-06-10T19:54:41.360Z",
"dateUpdated": "2024-08-02T03:57:40.025Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2024-37886",
"date": "2026-09-17",
"epss": "0.0024",
"percentile": "0.15325"
},
"fkie_nvd": {
"descriptions": [
{
"lang": "en",
"value": "user_oidc app is an OpenID Connect user backend for Nextcloud. An attacker could potentially trick the app into accepting a request that is not signed by the correct server. It is recommended that the Nextcloud user_oidc app is upgraded to 1.3.5, 2.0.0, 3.0.0, 4.0.0 or 5.0.0."
},
{
"lang": "es",
"value": "La aplicaci\u00f3n user_oidc es un backend de usuario de OpenID Connect para Nextcloud. Un atacante podr\u00eda enga\u00f1ar a la aplicaci\u00f3n para que acepte una solicitud que no est\u00e9 firmada por el servidor correcto. Se recomienda actualizar la aplicaci\u00f3n user_oidc de Nextcloud a 1.3.5, 2.0.0, 3.0.0, 4.0.0 o 5.0.0."
}
],
"id": "CVE-2024-37886",
"lastModified": "2024-11-21T09:24:28.280",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.4,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
"version": "3.1"
},
"exploitabilityScore": 2.3,
"impactScore": 2.7,
"source": "security-advisories@github.com",
"type": "Secondary"
}
]
},
"published": "2024-06-14T16:15:13.800",
"references": [
{
"source": "security-advisories@github.com",
"url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-vw5h-29xf-g55g"
},
{
"source": "security-advisories@github.com",
"url": "https://github.com/nextcloud/user_oidc/pull/715"
},
{
"source": "security-advisories@github.com",
"url": "https://hackerone.com/reports/1878391"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-vw5h-29xf-g55g"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://github.com/nextcloud/user_oidc/pull/715"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://hackerone.com/reports/1878391"
}
],
"sourceIdentifier": "security-advisories@github.com",
"vulnStatus": "Awaiting Analysis",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-347"
}
],
"source": "security-advisories@github.com",
"type": "Secondary"
}
]
},
"nvd": {
"cve": {
"affected": [
{
"affectedData": [
{
"product": "security-advisories",
"vendor": "nextcloud",
"versions": [
{
"status": "affected",
"version": "\u003c 1.3.5"
}
]
}
],
"source": "security-advisories@github.com"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:nextcloud:user_oidc:*:*:*:*:*:*:*:*",
"matchCriteriaId": "52E0C5D0-082E-4B38-B5BD-2BC9AFC844FC",
"versionEndExcluding": "1.3.5",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "user_oidc app is an OpenID Connect user backend for Nextcloud. An attacker could potentially trick the app into accepting a request that is not signed by the correct server. It is recommended that the Nextcloud user_oidc app is upgraded to 1.3.5, 2.0.0, 3.0.0, 4.0.0 or 5.0.0."
},
{
"lang": "es",
"value": "La aplicaci\u00f3n user_oidc es un backend de usuario de OpenID Connect para Nextcloud. Un atacante podr\u00eda enga\u00f1ar a la aplicaci\u00f3n para que acepte una solicitud que no est\u00e9 firmada por el servidor correcto. Se recomienda actualizar la aplicaci\u00f3n user_oidc de Nextcloud a 1.3.5, 2.0.0, 3.0.0, 4.0.0 o 5.0.0."
}
],
"id": "CVE-2024-37886",
"lastModified": "2026-06-17T07:38:59.370",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.4,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
"version": "3.1"
},
"exploitabilityScore": 2.3,
"impactScore": 2.7,
"source": "security-advisories@github.com",
"type": "Secondary"
},
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 4.7,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 1.4,
"source": "nvd@nist.gov",
"type": "Primary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2024-37886",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-06-15T20:26:07.568535Z",
"version": "2.0.3"
}
}
]
},
"published": "2024-06-14T16:15:13.800",
"references": [
{
"source": "security-advisories@github.com",
"tags": [
"Vendor Advisory"
],
"url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-vw5h-29xf-g55g"
},
{
"source": "security-advisories@github.com",
"tags": [
"Issue Tracking",
"Patch"
],
"url": "https://github.com/nextcloud/user_oidc/pull/715"
},
{
"source": "security-advisories@github.com",
"tags": [
"Issue Tracking"
],
"url": "https://hackerone.com/reports/1878391"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-vw5h-29xf-g55g"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Issue Tracking",
"Patch"
],
"url": "https://github.com/nextcloud/user_oidc/pull/715"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Issue Tracking"
],
"url": "https://hackerone.com/reports/1878391"
}
],
"sourceIdentifier": "security-advisories@github.com",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-347"
}
],
"source": "security-advisories@github.com",
"type": "Secondary"
}
]
}
},
"redhat_vex": {
"current_release_date": "2025-11-21T11:12:58+00:00",
"cve": "CVE-2024-37886",
"id": "CVE-2024-37886",
"initial_release_date": "2024-06-14T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "nextcloud: multiple vulnerabilities",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-37886.json",
"version": "3"
},
"vulnrichment": {
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2024-37886",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-06-15T20:26:07.568535Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2024-06-15T20:26:23.078Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "security-advisories",
"vendor": "nextcloud",
"versions": [
{
"status": "affected",
"version": "\u003c 1.3.5"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "user_oidc app is an OpenID Connect user backend for Nextcloud. An attacker could potentially trick the app into accepting a request that is not signed by the correct server. It is recommended that the Nextcloud user_oidc app is upgraded to 1.3.5, 2.0.0, 3.0.0, 4.0.0 or 5.0.0."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.4,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-347",
"description": "CWE-347: Improper Verification of Cryptographic Signature",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-06-14T15:45:12.913Z",
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M"
},
"references": [
{
"name": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-vw5h-29xf-g55g",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-vw5h-29xf-g55g"
},
{
"name": "https://github.com/nextcloud/user_oidc/pull/715",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/nextcloud/user_oidc/pull/715"
},
{
"name": "https://hackerone.com/reports/1878391",
"tags": [
"x_refsource_MISC"
],
"url": "https://hackerone.com/reports/1878391"
}
],
"source": {
"advisory": "GHSA-vw5h-29xf-g55g",
"discovery": "UNKNOWN"
},
"title": "Nextcloud user_oidc\u0027s ID4me does not validate signature or expiration"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2024-37886",
"datePublished": "2024-06-14T15:45:12.913Z",
"dateReserved": "2024-06-10T19:54:41.360Z",
"dateUpdated": "2024-06-15T20:30:30.682Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
Loading…
Loading…
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.
Loading…
The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Loading…
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
Loading…