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CVE Record

CVE-2018-4010: An exploitable code execution vulnerability exists in the connect functionality of ProtonVPN VPN client 1.5.1.

An exploitable code execution vulnerability exists in the connect functionality of ProtonVPN VPN client 1.5.1. A specially crafted configuration file can cause a privilege escalation, resulting in the ability to execute arbitrary commands with the system's privileges.

HighCVSS 8.8Not KEV-listedUpdated
Glexia's TakeAutomated analysis

Security readout for executives and security teams

CVE-2018-4010 affects ProtonVPN VPN Client 1.5.1. A malicious configuration file can abuse the client’s connect feature to run commands with system privileges. This is serious for endpoints still running that old client version, but the provided sources do not show active exploitation. Exposure is most likely on workstations or servers where ProtonVPN VPN Client 1.5.1 remains installed and can process configuration files. The bundle does not identify other affected versions, platforms, or deployment conditions. Prioritize remediation where ProtonVPN 1.5.1 exists on privileged, shared, or business-critical endpoints. The issue can turn limited local access into system-level command execution, but urgency depends on whether the old client is still present. Mitigation focus: Inventory endpoints for ProtonVPN VPN Client 1.5.1.; Check ProtonVPN or vendor guidance for fixed versions or supported remediation.; Remove, replace, or isolate affected clients where remediation is unavailable..

Prepared

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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ATT&CK lookup starting points

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description · low confidence lookup

Execution behavior lookup

The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

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description · low confidence lookup

Privilege behavior lookup

The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

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cve · low confidence lookup

CVE-2018-4010 mapping review

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Vulnerability profileCVE Program record
Severity
High
CVSS
8.8 (3.0)
Known Exploited
No
Published

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
8.8CVSS 3.0HighCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H26Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

8.8High
CVSS 3.0 vector shape for CVE-2018-4010Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
TalosProtonVPNProtonVPN VPN Client 1.5.1Listed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.