FKIE_CVE-2025-5456
Vulnerability from fkie_nvd - Published: 2025-08-12 15:15 - Updated: 2026-06-17 09:47
Severity
Summary
A buffer over-read vulnerability in Ivanti Connect Secure before 22.7R2.8 or 22.8R2, Ivanti Policy Secure before 22.7R1.5, Ivanti ZTA Gateway before 2.8R2.3-723 and Ivanti Neurons for Secure Access before 22.8R1.4 (Fix deployed on 02-Aug-2025) allows a remote unauthenticated attacker to trigger a denial of service. CWE-125
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| ivanti | connect_secure | * | |
| ivanti | connect_secure | 22.7 | |
| ivanti | connect_secure | 22.7 | |
| ivanti | connect_secure | 22.7 | |
| ivanti | connect_secure | 22.7 | |
| ivanti | connect_secure | 22.7 | |
| ivanti | connect_secure | 22.7 | |
| ivanti | connect_secure | 22.7 | |
| ivanti | connect_secure | 22.7 | |
| ivanti | connect_secure | 22.7 | |
| ivanti | connect_secure | 22.7 | |
| ivanti | connect_secure | 22.7 | |
| ivanti | connect_secure | 22.7 | |
| ivanti | connect_secure | 22.7 | |
| ivanti | connect_secure | 22.7 | |
| ivanti | connect_secure | 22.7 | |
| ivanti | policy_secure | * | |
| ivanti | policy_secure | 22.7 | |
| ivanti | policy_secure | 22.7 | |
| ivanti | policy_secure | 22.7 | |
| ivanti | policy_secure | 22.7 | |
| ivanti | policy_secure | 22.7 | |
| ivanti | policy_secure | 22.7 | |
| ivanti | zero_trust_access_gateway | 22.8 | |
| ivanti | neurons_for_secure_access | * | |
| ivanti | neurons_for_secure_access | 22.8 | |
| ivanti | neurons_for_secure_access | 22.8 | |
| ivanti | neurons_for_secure_access | 22.8 | |
| ivanti | neurons_for_secure_access | 22.8 |
{
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},
{
"status": "unaffected",
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}
]
},
{
"defaultStatus": "affected",
"product": "Policy Secure",
"vendor": "Ivanti",
"versions": [
{
"status": "unaffected",
"version": "22.7R1.5"
}
]
},
{
"defaultStatus": "affected",
"product": "ZTA Gateway",
"vendor": "Ivanti",
"versions": [
{
"status": "unaffected",
"version": "2.8R2.3-723"
}
]
},
{
"defaultStatus": "affected",
"product": "Neurons for Secure",
"vendor": "Ivanti",
"versions": [
{
"status": "unaffected",
"version": "22.8R1.4 (Fix deployed on 02-Aug-2025)"
}
]
}
],
"source": "3c1d8aa1-5a33-4ea4-8992-aadd6440af75"
}
],
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"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A buffer over-read vulnerability in Ivanti Connect Secure before 22.7R2.8 or 22.8R2, Ivanti Policy Secure before 22.7R1.5, Ivanti ZTA Gateway before 2.8R2.3-723 and Ivanti Neurons for Secure Access before 22.8R1.4 (Fix deployed on 02-Aug-2025) allows a remote unauthenticated attacker to trigger a denial of service.\u00a0CWE-125"
},
{
"lang": "es",
"value": "Una vulnerabilidad de sobrelectura de b\u00fafer en Ivanti Connect Secure (versi\u00f3n anterior a 22.7R2.8 o 22.8R2), Ivanti Policy Secure (versi\u00f3n anterior a 22.7R1.5), Ivanti ZTA Gateway (versi\u00f3n anterior a 2.8R2.3-723) y Ivanti Neurons for Secure Access (versi\u00f3n anterior a 22.8R1.4) (soluci\u00f3n implementada el 2 de agosto de 2025) permite que un atacante remoto no autenticado active una denegaci\u00f3n de servicio. CWE-125"
}
],
"id": "CVE-2025-5456",
"lastModified": "2026-06-17T09:47:57.900",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6,
"source": "3c1d8aa1-5a33-4ea4-8992-aadd6440af75",
"type": "Secondary"
}
],
"ssvcV203": [
{
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"ssvcData": {
"id": "CVE-2025-5456",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-08-12T15:05:36.208360Z",
"version": "2.0.3"
}
}
]
},
"published": "2025-08-12T15:15:30.793",
"references": [
{
"source": "3c1d8aa1-5a33-4ea4-8992-aadd6440af75",
"tags": [
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],
"url": "https://forums.ivanti.com/s/article/August-Security-Advisory-Ivanti-Connect-Secure-Policy-Secure-ZTA-Gateways-Multiple-CVEs?language=en_US"
}
],
"sourceIdentifier": "3c1d8aa1-5a33-4ea4-8992-aadd6440af75",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-125"
}
],
"source": "3c1d8aa1-5a33-4ea4-8992-aadd6440af75",
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}
]
}
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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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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.
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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.
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