CVE & CISA-KEV Catalog

CVE-2024-4877

HIGH
8.8
CVSS v3
NVD

Description

OpenVPN version 2.4.0 through 2.6.10 on Windows allows an external, lesser privileged process to create a named pipe which the OpenVPN GUI component would connect to allowing it to escalate its privileges

How to fix

Remediation Available
OpenVPNWindows application
Affected:2.4.0 2.6.11Fixed in:2.6.11OpenVPN, Inc.

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

0.42%probability of exploitation in 30 days
35thpercentile

Low risk: more likely to be exploited than 35% of all known CVEs.

References

Mailing List1
Other references1

Related Vulnerabilities

Other CWE-268 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2025-49741High7.43.5%-Fix
CVE-2019-3844High7.80.9%-Fix
CVE-2024-1250Medium6.50.5%-Fix
CVE-2024-1299Medium6.50.5%-Fix
CVE-2023-20194Medium4.90.5%--
CVE-2022-1003Low3.30.5%-Fix

Common questions

How do I fix CVE-2024-4877?

Upgrade OpenVPN to 2.6.11 or later.

Is CVE-2024-4877 being actively exploited?

Not that we know of. CVE-2024-4877 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.42% is the estimated probability that it will be exploited in the next 30 days. That is higher than 35% of all scored CVEs.

How severe is CVE-2024-4877?

CVE-2024-4877 has a CVSS v3 base score of 8.8, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2024-4877 affect?

Published advisories record a fix for OpenVPN (Windows application). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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CVE-2024-4877 severity badge

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-04-29.