CVE-2024-5539 (GCVE-0-2024-5539)
Vulnerability from cvelistv5 – Published: 2025-11-27 01:02 – Updated: 2025-11-28 19:34
VLAI
EPSS
VEX
Title
ALC WebCTRL Carrier i-Vu Access Control Bypass
Summary
The Access Control Bypass vulnerability found in ALC WebCTRL and Carrier i-Vu in versions up to and including 8.5 allows a malicious actor to bypass intended access restrictions and expose sensitive information via the
web based building automation server.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-11-28 14:41 UTC
CWE
- CWE-863 - Incorrect Authorization
Assigner
References
1 reference
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Automated Logic | WebCTRL |
Affected:
0 , ≤ 8.5
(custom)
|
guessed | |
| Carrier | i-Vu |
Affected:
0 , ≤ 8.5
(custom)
|
guessed |
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2024-5539",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-11-28T14:41:22.845542Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2025-11-28T19:34:22.248Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"platforms": [
"Windows"
],
"product": "WebCTRL",
"vendor": "Automated Logic",
"versions": [
{
"lessThanOrEqual": "8.5",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unaffected",
"platforms": [
"Windows"
],
"product": "i-Vu",
"vendor": "Carrier",
"versions": [
{
"lessThanOrEqual": "8.5",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "Steve Knabe from Praetorian"
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "The Access Control Bypass vulnerability found in ALC WebCTRL and Carrier i-Vu in versions up to and including 8.5 allows a malicious actor to bypass intended access restrictions and expose sensitive information via the \n\n\u003ci\u003eweb based building automation server.\u003c/i\u003e\u003cbr\u003e"
}
],
"value": "The Access Control Bypass vulnerability found in ALC WebCTRL and Carrier i-Vu in versions up to and including 8.5 allows a malicious actor to bypass intended access restrictions and expose sensitive information via the \n\nweb based building automation server."
}
],
"metrics": [
{
"cvssV4_0": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"baseScore": 9.2,
"baseSeverity": "CRITICAL",
"exploitMaturity": "NOT_DEFINED",
"privilegesRequired": "NONE",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "HIGH",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "NONE",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "NONE",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-863",
"description": "CWE-863 Incorrect Authorization",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-11-27T01:02:30.525Z",
"orgId": "e24e6442-3ae1-4538-a7b8-7ac95586db8f",
"shortName": "Carrier"
},
"references": [
{
"url": "https://www.corporate.carrier.com/product-security/advisories-resources/"
}
],
"solutions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "Upgrade to the latest version of ALC WebCTRL or Carrier i-Vu. \u0026nbsp;\n\n\u003cbr\u003e"
}
],
"value": "Upgrade to the latest version of ALC WebCTRL or Carrier i-Vu."
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "ALC WebCTRL Carrier i-Vu Access Control Bypass",
"x_generator": {
"engine": "Vulnogram 0.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "e24e6442-3ae1-4538-a7b8-7ac95586db8f",
"assignerShortName": "Carrier",
"cveId": "CVE-2024-5539",
"datePublished": "2025-11-27T01:02:30.525Z",
"dateReserved": "2024-05-30T17:38:43.955Z",
"dateUpdated": "2025-11-28T19:34:22.248Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2024-5539",
"date": "2026-09-25",
"epss": "0.00332",
"percentile": "0.23679"
},
"nvd": {
"cve": {
"affected": [
{
"affectedData": [
{
"defaultStatus": "unaffected",
"platforms": [
"Windows"
],
"product": "WebCTRL",
"vendor": "Automated Logic",
"versions": [
{
"lessThanOrEqual": "8.5",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unaffected",
"platforms": [
"Windows"
],
"product": "i-Vu",
"vendor": "Carrier",
"versions": [
{
"lessThanOrEqual": "8.5",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
}
],
"source": "productsecurity@carrier.com"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "The Access Control Bypass vulnerability found in ALC WebCTRL and Carrier i-Vu in versions up to and including 8.5 allows a malicious actor to bypass intended access restrictions and expose sensitive information via the \n\nweb based building automation server."
}
],
"id": "CVE-2024-5539",
"lastModified": "2026-06-17T08:16:09.280",
"metrics": {
"cvssMetricV40": [
{
"cvssData": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"availabilityRequirement": "NOT_DEFINED",
"baseScore": 9.2,
"baseSeverity": "CRITICAL",
"confidentialityRequirement": "NOT_DEFINED",
"exploitMaturity": "NOT_DEFINED",
"integrityRequirement": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"modifiedAttackRequirements": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"modifiedPrivilegesRequired": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"modifiedSubConfidentialityImpact": "NOT_DEFINED",
"modifiedSubIntegrityImpact": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
"modifiedVulnConfidentialityImpact": "NOT_DEFINED",
"modifiedVulnIntegrityImpact": "NOT_DEFINED",
"privilegesRequired": "NONE",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "HIGH",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"version": "4.0",
"vulnAvailabilityImpact": "NONE",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "NONE",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"source": "productsecurity@carrier.com",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2024-5539",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-11-28T14:41:22.845542Z",
"version": "2.0.3"
}
}
]
},
"published": "2025-11-27T01:15:46.120",
"references": [
{
"source": "productsecurity@carrier.com",
"url": "https://www.corporate.carrier.com/product-security/advisories-resources/"
}
],
"sourceIdentifier": "productsecurity@carrier.com",
"vulnStatus": "Deferred",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-863"
}
],
"source": "productsecurity@carrier.com",
"type": "Secondary"
}
]
}
},
"redhat_vex": {
"current_release_date": "2025-11-28T01:05:22+00:00",
"cve": "CVE-2024-5539",
"id": "CVE-2024-5539",
"initial_release_date": "2024-01-01T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "ALC WebCTRL Carrier i-Vu Access Control Bypass",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-5539.json",
"version": "3"
},
"vulnrichment": {
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2024-5539",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-11-28T14:41:22.845542Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2025-11-28T14:41:23.582Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"platforms": [
"Windows"
],
"product": "WebCTRL",
"vendor": "Automated Logic",
"versions": [
{
"lessThanOrEqual": "8.5",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unaffected",
"platforms": [
"Windows"
],
"product": "i-Vu",
"vendor": "Carrier",
"versions": [
{
"lessThanOrEqual": "8.5",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "Steve Knabe from Praetorian"
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "The Access Control Bypass vulnerability found in ALC WebCTRL and Carrier i-Vu in versions up to and including 8.5 allows a malicious actor to bypass intended access restrictions and expose sensitive information via the \n\n\u003ci\u003eweb based building automation server.\u003c/i\u003e\u003cbr\u003e"
}
],
"value": "The Access Control Bypass vulnerability found in ALC WebCTRL and Carrier i-Vu in versions up to and including 8.5 allows a malicious actor to bypass intended access restrictions and expose sensitive information via the \n\nweb based building automation server."
}
],
"metrics": [
{
"cvssV4_0": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"baseScore": 9.2,
"baseSeverity": "CRITICAL",
"exploitMaturity": "NOT_DEFINED",
"privilegesRequired": "NONE",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "HIGH",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "NONE",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "NONE",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-863",
"description": "CWE-863 Incorrect Authorization",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-11-27T01:02:30.525Z",
"orgId": "e24e6442-3ae1-4538-a7b8-7ac95586db8f",
"shortName": "Carrier"
},
"references": [
{
"url": "https://www.corporate.carrier.com/product-security/advisories-resources/"
}
],
"solutions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "Upgrade to the latest version of ALC WebCTRL or Carrier i-Vu. \u0026nbsp;\n\n\u003cbr\u003e"
}
],
"value": "Upgrade to the latest version of ALC WebCTRL or Carrier i-Vu."
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "ALC WebCTRL Carrier i-Vu Access Control Bypass",
"x_generator": {
"engine": "Vulnogram 0.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "e24e6442-3ae1-4538-a7b8-7ac95586db8f",
"assignerShortName": "Carrier",
"cveId": "CVE-2024-5539",
"datePublished": "2025-11-27T01:02:30.525Z",
"dateReserved": "2024-05-30T17:38:43.955Z",
"dateUpdated": "2025-11-28T19:34:22.248Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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…
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…