FKIE_CVE-2026-50751
Vulnerability from fkie_nvd - Published: 2026-06-08 12:16 - Updated: 2026-08-04 05:16
Severity
Summary
A logic flow weakness in Remote Access and Mobile Access certificate validation in deprecated IKEv1 key exchange allows an unauthenticated remote attacker to bypass user authentication and establish a remote access VPN connection without a valid user password.
References
Impacted products
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"source": "cve@checkpoint.com"
}
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"cisaActionDue": "2026-06-11",
"cisaExploitAdd": "2026-06-08",
"cisaRequiredAction": "Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.",
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},
{
"criteria": "cpe:2.3:h:checkpoint:quantum_spark_1575:-:*:*:*:*:*:*:*",
"matchCriteriaId": "D826E703-003D-449C-B190-801FD99CF832",
"vulnerable": false
},
{
"criteria": "cpe:2.3:h:checkpoint:quantum_spark_1575r:-:*:*:*:*:*:*:*",
"matchCriteriaId": "618E00E8-09D7-4A64-905F-04650781DB63",
"vulnerable": false
},
{
"criteria": "cpe:2.3:h:checkpoint:quantum_spark_2530:-:*:*:*:*:*:*:*",
"matchCriteriaId": "D363A133-C9E8-4289-9D51-A8284ABF0E9B",
"vulnerable": false
},
{
"criteria": "cpe:2.3:h:checkpoint:quantum_spark_2550:-:*:*:*:*:*:*:*",
"matchCriteriaId": "492D42C7-BA79-42AC-903E-5A3EF4D00BDA",
"vulnerable": false
},
{
"criteria": "cpe:2.3:h:checkpoint:quantum_spark_2560:-:*:*:*:*:*:*:*",
"matchCriteriaId": "3FE64FE4-F3C6-4924-8E65-BC336D416739",
"vulnerable": false
},
{
"criteria": "cpe:2.3:h:checkpoint:quantum_spark_2570:-:*:*:*:*:*:*:*",
"matchCriteriaId": "707EC21A-2F9B-4E72-9C60-4382C736D191",
"vulnerable": false
},
{
"criteria": "cpe:2.3:h:checkpoint:quantum_spark_2580:-:*:*:*:*:*:*:*",
"matchCriteriaId": "994F4EE1-1ADE-4EA3-AD9A-840E96C353A1",
"vulnerable": false
},
{
"criteria": "cpe:2.3:h:checkpoint:quantum_spark_2590:-:*:*:*:*:*:*:*",
"matchCriteriaId": "C49FBD30-C627-4DDC-90B0-F0C4E6DD927C",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A logic flow weakness in Remote Access and Mobile Access certificate validation in deprecated IKEv1 key exchange allows an unauthenticated remote attacker to bypass user authentication and establish a remote access VPN connection without a valid user password."
},
{
"lang": "es",
"value": "Una debilidad en el flujo l\u00f3gico en la validaci\u00f3n de certificados de Acceso Remoto y Acceso M\u00f3vil en el intercambio de claves IKEv1 obsoleto permite a un atacante remoto no autenticado eludir la autenticaci\u00f3n de usuario y establecer una conexi\u00f3n VPN de acceso remoto sin una contrase\u00f1a de usuario v\u00e1lida."
}
],
"id": "CVE-2026-50751",
"lastModified": "2026-08-04T05:16:39.710",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 9.3,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 4.7,
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-50751",
"options": [
{
"exploitation": "active"
},
{
"automatable": "yes"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-06-08T00:00:00+00:00",
"version": "2.0.3"
}
}
]
},
"published": "2026-06-08T12:16:32.367",
"references": [
{
"source": "cve@checkpoint.com",
"tags": [
"Mitigation",
"Patch",
"Vendor Advisory"
],
"url": "https://support.checkpoint.com/results/sk/sk185033"
},
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"tags": [
"Vendor Advisory"
],
"url": "https://blog.checkpoint.com/security/check-point-releases-important-hotfix-for-vulnerabilities-in-deprecated-ikev1-vpn-protocol/"
},
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"tags": [
"US Government Resource"
],
"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-50751"
}
],
"sourceIdentifier": "cve@checkpoint.com",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-287"
}
],
"source": "cve@checkpoint.com",
"type": "Secondary"
}
]
}
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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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