CVE-2023-51803 (GCVE-0-2023-51803)
Vulnerability from cvelistv5 – Published: 2024-03-31 00:00 – Updated: 2024-08-20 19:40
VLAI
EPSS
VEX
Summary
LinuxServer.io Heimdall before 2.5.7 does not prevent use of icons that have non-image data such as the "<?php ?>" substring.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-08-20 19:34 UTC
CWE
- n/a
- CWE-674 - Uncontrolled Recursion
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| linuxserver | heimdall_application_dashboard |
Affected:
0 , < 2.5.7
(custom)
cpe:2.3:a:linuxserver:heimdall_application_dashboard:*:*:*:*:*:*:*:* |
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-02T22:48:11.914Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_transferred"
],
"url": "https://github.com/linuxserver/Heimdall/pull/1167"
},
{
"tags": [
"x_transferred"
],
"url": "https://github.com/linuxserver/Heimdall/pull/1173"
},
{
"tags": [
"x_transferred"
],
"url": "https://github.com/linuxserver/Heimdall/releases/tag/v2.5.7"
}
],
"title": "CVE Program Container"
},
{
"affected": [
{
"cpes": [
"cpe:2.3:a:linuxserver:heimdall_application_dashboard:*:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"product": "heimdall_application_dashboard",
"vendor": "linuxserver",
"versions": [
{
"lessThan": "2.5.7",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2023-51803",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-08-20T19:34:05.373032Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-674",
"description": "CWE-674 Uncontrolled Recursion",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-08-20T19:40:24.777Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "LinuxServer.io Heimdall before 2.5.7 does not prevent use of icons that have non-image data such as the \"\u003c?php ?\u003e\" substring."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "n/a",
"lang": "en",
"type": "text"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-03-31T23:40:13.253Z",
"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"shortName": "mitre"
},
"references": [
{
"url": "https://github.com/linuxserver/Heimdall/pull/1167"
},
{
"url": "https://github.com/linuxserver/Heimdall/pull/1173"
},
{
"url": "https://github.com/linuxserver/Heimdall/releases/tag/v2.5.7"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"assignerShortName": "mitre",
"cveId": "CVE-2023-51803",
"datePublished": "2024-03-31T00:00:00.000Z",
"dateReserved": "2023-12-26T00:00:00.000Z",
"dateUpdated": "2024-08-20T19:40:24.777Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2023-51803",
"date": "2026-09-19",
"epss": "0.00702",
"percentile": "0.51778"
},
"fkie_nvd": {
"descriptions": [
{
"lang": "en",
"value": "LinuxServer.io Heimdall before 2.5.7 does not prevent use of icons that have non-image data such as the \"\u003c?php ?\u003e\" substring."
},
{
"lang": "es",
"value": "LinuxServer.io Heimdall anterior a 2.5.7 no impide el uso de \u00edconos que tienen datos que no son im\u00e1genes, como la subcadena \"\"."
}
],
"id": "CVE-2023-51803",
"lastModified": "2024-11-21T08:38:51.430",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 5.9,
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary"
}
]
},
"published": "2024-04-01T00:15:49.447",
"references": [
{
"source": "cve@mitre.org",
"url": "https://github.com/linuxserver/Heimdall/pull/1167"
},
{
"source": "cve@mitre.org",
"url": "https://github.com/linuxserver/Heimdall/pull/1173"
},
{
"source": "cve@mitre.org",
"url": "https://github.com/linuxserver/Heimdall/releases/tag/v2.5.7"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://github.com/linuxserver/Heimdall/pull/1167"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://github.com/linuxserver/Heimdall/pull/1173"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://github.com/linuxserver/Heimdall/releases/tag/v2.5.7"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Awaiting Analysis",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-674"
}
],
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary"
}
]
},
"nvd": {
"cve": {
"affected": [
{
"affectedData": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"source": "cve@mitre.org"
},
{
"affectedData": [
{
"cpes": [
"cpe:2.3:a:linuxserver:heimdall_application_dashboard:*:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"product": "heimdall_application_dashboard",
"vendor": "linuxserver",
"versions": [
{
"lessThan": "2.5.7",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
}
],
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "LinuxServer.io Heimdall before 2.5.7 does not prevent use of icons that have non-image data such as the \"\u003c?php ?\u003e\" substring."
},
{
"lang": "es",
"value": "LinuxServer.io Heimdall anterior a 2.5.7 no impide el uso de \u00edconos que tienen datos que no son im\u00e1genes, como la subcadena \"\"."
}
],
"id": "CVE-2023-51803",
"lastModified": "2026-06-17T06:41:42.757",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 5.9,
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2023-51803",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-08-20T19:34:05.373032Z",
"version": "2.0.3"
}
}
]
},
"published": "2024-04-01T00:15:49.447",
"references": [
{
"source": "cve@mitre.org",
"url": "https://github.com/linuxserver/Heimdall/pull/1167"
},
{
"source": "cve@mitre.org",
"url": "https://github.com/linuxserver/Heimdall/pull/1173"
},
{
"source": "cve@mitre.org",
"url": "https://github.com/linuxserver/Heimdall/releases/tag/v2.5.7"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://github.com/linuxserver/Heimdall/pull/1167"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://github.com/linuxserver/Heimdall/pull/1173"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://github.com/linuxserver/Heimdall/releases/tag/v2.5.7"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Deferred",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-674"
}
],
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary"
}
]
}
},
"redhat_vex": {
"current_release_date": "2026-03-27T10:53:46+00:00",
"cve": "CVE-2023-51803",
"id": "CVE-2023-51803",
"initial_release_date": "2023-01-01T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "CVE-2023-51803",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-51803.json",
"version": "3"
},
"vulnrichment": {
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-02T22:48:11.914Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_transferred"
],
"url": "https://github.com/linuxserver/Heimdall/pull/1167"
},
{
"tags": [
"x_transferred"
],
"url": "https://github.com/linuxserver/Heimdall/pull/1173"
},
{
"tags": [
"x_transferred"
],
"url": "https://github.com/linuxserver/Heimdall/releases/tag/v2.5.7"
}
],
"title": "CVE Program Container"
},
{
"affected": [
{
"cpes": [
"cpe:2.3:a:linuxserver:heimdall_application_dashboard:*:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"product": "heimdall_application_dashboard",
"vendor": "linuxserver",
"versions": [
{
"lessThan": "2.5.7",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2023-51803",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-08-20T19:34:05.373032Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-674",
"description": "CWE-674 Uncontrolled Recursion",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-08-20T19:40:08.331Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "LinuxServer.io Heimdall before 2.5.7 does not prevent use of icons that have non-image data such as the \"\u003c?php ?\u003e\" substring."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "n/a",
"lang": "en",
"type": "text"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-03-31T23:40:13.253Z",
"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"shortName": "mitre"
},
"references": [
{
"url": "https://github.com/linuxserver/Heimdall/pull/1167"
},
{
"url": "https://github.com/linuxserver/Heimdall/pull/1173"
},
{
"url": "https://github.com/linuxserver/Heimdall/releases/tag/v2.5.7"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"assignerShortName": "mitre",
"cveId": "CVE-2023-51803",
"datePublished": "2024-03-31T00:00:00.000Z",
"dateReserved": "2023-12-26T00:00:00.000Z",
"dateUpdated": "2024-08-20T19:40:24.777Z",
"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…