CVE-2025-15581 (GCVE-0-2025-15581)
Vulnerability from cvelistv5 – Published: 2026-02-18 22:59 – Updated: 2026-02-19 16:39
VLAI?
Summary
Orthanc versions before 1.12.10 are affected by an authorisation logic flaw in the application's HTTP Basic Authentication implementation.
Successful exploitation could result in Privilege Escalation, potentially allowing full administrative access.
Severity ?
CWE
- CWE-287 - Improper Authentication
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| orthanc-server | orthanc |
Affected:
0 , ≤ 1.12.9
(custom)
|
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2025-15581",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-02-19T16:35:50.372200Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-02-19T16:39:35.695Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "orthanc",
"vendor": "orthanc-server",
"versions": [
{
"lessThanOrEqual": "1.12.9",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "Orthanc versions before 1.12.10 are affected by an authorisation logic flaw in the application\u0027s\u0026nbsp;HTTP Basic Authentication implementation. \n\nSuccessful exploitation could result in Privilege Escalation, potentially allowing full administrative access."
}
],
"value": "Orthanc versions before 1.12.10 are affected by an authorisation logic flaw in the application\u0027s\u00a0HTTP Basic Authentication implementation. \n\nSuccessful exploitation could result in Privilege Escalation, potentially allowing full administrative access."
}
],
"impacts": [
{
"capecId": "CAPEC-233",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-233 Privilege Escalation"
}
]
}
],
"metrics": [
{
"cvssV4_0": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "PRESENT",
"attackVector": "NETWORK",
"baseScore": 4.7,
"baseSeverity": "MEDIUM",
"exploitMaturity": "PROOF_OF_CONCEPT",
"privilegesRequired": "LOW",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "ACTIVE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:P",
"version": "4.0",
"vulnAvailabilityImpact": "NONE",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "NONE",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-287",
"description": "CWE-287 Improper Authentication",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-02-18T23:03:54.596Z",
"orgId": "ab69c47f-b95e-4bf2-b2d9-4b1fd1b24b4a",
"shortName": "PRJBLK"
},
"references": [
{
"url": "https://projectblack.io/blog/orthanc-1-12-9-user-impersonation/#exploitation"
},
{
"url": "https://discourse.orthanc-server.org/t/orthanc-1-12-10/6326"
},
{
"url": "https://orthanc.uclouvain.be/bugs/show_bug.cgi?id=252"
}
],
"source": {
"discovery": "UNKNOWN"
},
"x_generator": {
"engine": "Vulnogram 0.5.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "ab69c47f-b95e-4bf2-b2d9-4b1fd1b24b4a",
"assignerShortName": "PRJBLK",
"cveId": "CVE-2025-15581",
"datePublished": "2026-02-18T22:59:55.491Z",
"dateReserved": "2026-02-18T03:40:45.397Z",
"dateUpdated": "2026-02-19T16:39:35.695Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"vulnrichment": {
"containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2025-15581\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-02-19T16:35:50.372200Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-02-19T16:39:28.960Z\"}}], \"cna\": {\"source\": {\"discovery\": \"UNKNOWN\"}, \"impacts\": [{\"capecId\": \"CAPEC-233\", \"descriptions\": [{\"lang\": \"en\", \"value\": \"CAPEC-233 Privilege Escalation\"}]}], \"metrics\": [{\"format\": \"CVSS\", \"cvssV4_0\": {\"Safety\": \"NOT_DEFINED\", \"version\": \"4.0\", \"Recovery\": \"NOT_DEFINED\", \"baseScore\": 4.7, \"Automatable\": \"NOT_DEFINED\", \"attackVector\": \"NETWORK\", \"baseSeverity\": \"MEDIUM\", \"valueDensity\": \"NOT_DEFINED\", \"vectorString\": \"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:P\", \"exploitMaturity\": \"PROOF_OF_CONCEPT\", \"providerUrgency\": \"NOT_DEFINED\", \"userInteraction\": \"ACTIVE\", \"attackComplexity\": \"LOW\", \"attackRequirements\": \"PRESENT\", \"privilegesRequired\": \"LOW\", \"subIntegrityImpact\": \"NONE\", \"vulnIntegrityImpact\": \"NONE\", \"subAvailabilityImpact\": \"NONE\", \"vulnAvailabilityImpact\": \"NONE\", \"subConfidentialityImpact\": \"NONE\", \"vulnConfidentialityImpact\": \"HIGH\", \"vulnerabilityResponseEffort\": \"NOT_DEFINED\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"vendor\": \"orthanc-server\", \"product\": \"orthanc\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"1.12.9\"}], \"defaultStatus\": \"unaffected\"}], \"references\": [{\"url\": \"https://projectblack.io/blog/orthanc-1-12-9-user-impersonation/#exploitation\"}, {\"url\": \"https://discourse.orthanc-server.org/t/orthanc-1-12-10/6326\"}, {\"url\": \"https://orthanc.uclouvain.be/bugs/show_bug.cgi?id=252\"}], \"x_generator\": {\"engine\": \"Vulnogram 0.5.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"Orthanc versions before 1.12.10 are affected by an authorisation logic flaw in the application\u0027s\\u00a0HTTP Basic Authentication implementation. \\n\\nSuccessful exploitation could result in Privilege Escalation, potentially allowing full administrative access.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"Orthanc versions before 1.12.10 are affected by an authorisation logic flaw in the application\u0027s\u0026nbsp;HTTP Basic Authentication implementation. \\n\\nSuccessful exploitation could result in Privilege Escalation, potentially allowing full administrative access.\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-287\", \"description\": \"CWE-287 Improper Authentication\"}]}], \"providerMetadata\": {\"orgId\": \"ab69c47f-b95e-4bf2-b2d9-4b1fd1b24b4a\", \"shortName\": \"PRJBLK\", \"dateUpdated\": \"2026-02-18T23:03:54.596Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2025-15581\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-02-19T16:39:35.695Z\", \"dateReserved\": \"2026-02-18T03:40:45.397Z\", \"assignerOrgId\": \"ab69c47f-b95e-4bf2-b2d9-4b1fd1b24b4a\", \"datePublished\": \"2026-02-18T22:59:55.491Z\", \"assignerShortName\": \"PRJBLK\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
Loading…
Loading…
Sightings
| Author | Source | Type | Date |
|---|
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…
Loading…