CVE-2025-40889CWE-22path-traversal

CVE-2025-40889

High · published October 7, 2025

CVSS v3.1
8.1
EPSS
0%
Percentile
33.8
In the wild
Unconfirmed
What it is

A path traversal vulnerability was discovered in the Time Machine functionality due to missing validation of two input parameters. An authenticated user with limited privileges, by issuing a specifically-crafted request, can potentially alter the structure and content of files in the /data folder, and/or affect their availability.

The record
Technical detail
CVSS v3.1
8.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00406 · 33.8th percentile
Weakness
CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Published
2025-10-07T17:15Z
Affected products (2)
ProductVersionsFixed in
nozominetworks/cmc< 25.2.025.2.0
nozominetworks/guardian< 25.2.025.2.0
References (1)
EPSS history
Timeline
  • 07 OCT 12:37Z
    Path traversal in Time Machine functionality in Guardian/CMC before 25.2.0
    cvelistv5