CVE-2023-32634 - OpenCVE

An authentication bypass vulnerability exists in the CiRpcServerThread() functionality of SoftEther VPN 5.01.9674 and 4.41-9782-beta. An attacker can perform a local man-in-the-middle attack to trigger this vulnerability.

Attack Vector Local

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

Vendors & Products
CPE Configurations

Vendors	Products
Softether	Vpn

Configuration 1 [-]

OR	cpe:2.3:a:softether:vpn:4.41-9782:beta::::::
	cpe:2.3:a:softether:vpn:5.01.9674:::::::*

References

Link	Resource
https://talosintelligence.com/vulnerability_reports/TALOS-2023-1755	Exploit Third Party Advisory
https://www.softether.org/9-about/News/904-SEVPN202301	Patch Vendor Advisory

History

No history.

MITRE Information

Status: PUBLISHED

Assigner: talos

Published: 2023-10-12T15:27:51.751Z

Updated: 2023-10-12T17:00:07.639Z

Reserved: 2023-06-02T14:34:08.115Z

Link: CVE-2023-32634

JSON object: View

NVD Information

Status : Analyzed

Published: 2023-10-12T16:15:11.920

Modified: 2023-10-18T18:56:33.150

Link: CVE-2023-32634

JSON object: View

Redhat Information

No data.

CWE

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:softether:vpn:4.41-9782:beta:*:*:*:*:*:*", "matchCriteriaId": "79C47EE5-1B55-4FDD-A5B5-E10FF3337100", "vulnerable": true}, {"criteria": "cpe:2.3:a:softether:vpn:5.01.9674:*:*:*:*:*:*:*", "matchCriteriaId": "5CF5CF13-B22F-494B-BDC0-B59371979251", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "An authentication bypass vulnerability exists in the CiRpcServerThread() functionality of SoftEther VPN 5.01.9674 and 4.41-9782-beta. An attacker can perform a local man-in-the-middle attack to trigger this vulnerability."}, {"lang": "es", "value": "Existe una vulnerabilidad de omisi\u00f3n de autenticaci\u00f3n en la funcionalidad CiRpcServerThread() de SoftEther VPN 5.01.9674 y 4.41-9782-beta. Un atacante puede realizar un ataque de intermediario local para desencadenar esta vulnerabilidad."}], "id": "CVE-2023-32634", "lastModified": "2023-10-18T18:56:33.150", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.4, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.4, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "talos-cna@cisco.com", "type": "Secondary"}]}, "published": "2023-10-12T16:15:11.920", "references": [{"source": "talos-cna@cisco.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2023-1755"}, {"source": "talos-cna@cisco.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://www.softether.org/9-about/News/904-SEVPN202301"}], "sourceIdentifier": "talos-cna@cisco.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-300"}], "source": "talos-cna@cisco.com", "type": "Secondary"}]}