CVE-2025-66377

Name: CVE-2025-66377
Creator: NVD / NIST
Published: 2025-12-25T05:16:09.197+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.19%

Last modified Jun 17, 2026

CVE-2025-66377 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Pexip Infinity before 39.0 has Missing Authentication for a Critical Function in a product-internal API, allowing an attacker (who already has access to execute code on one node within a Pexip Infinity installation) to impact the operation of other nodes within the installation.. EPSS estimates a 0.19% chance of exploitation in the next 30 days.

Description

Pexip Infinity before 39.0 has Missing Authentication for a Critical Function in a product-internal API, allowing an attacker (who already has access to execute code on one node within a Pexip Infinity installation) to impact the operation of other nodes within the installation.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

0.19%

9.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-306

Affected Software

Vendor	Product	Versions
Pexip	Pexip Infinity	< 39.0

References

https://docs.pexip.com/admin/security_bulletins.htmVendor Advisory

Timeline

Published: Dec 25, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-66377?

How severe is CVE-2025-66377?

CVE-2025-66377 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.19% probability of exploitation in the next 30 days.

How do I fix CVE-2025-66377?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-66377?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST