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Fencer Vulns
high 8.5

CVE-2023-2909 json

A Directory traversal vulnerability was found on EZ Sync service of ADM

published 2023-05-31 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-34355

cvss
8.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 52%
public exploits
0
none known

Summary

EZ Sync service fails to adequately handle user input, allowing an attacker to navigate beyond the intended directory structure and delete files. Affected products and versions include: ADM 4.0.6.REG2, 4.1.0 and below as well as ADM 4.2.1.RGE2 and below.

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
21 mo ago

Exploit prediction

0.67% chance of exploitation in the next 30 days, higher than 52% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 8.5 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
NVD 3.1 10.0 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected products

  • ASUSTOR ADM

Classification

Weakness
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.