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Fencer Intel
critical 9.8

CVE-2024-55371 json

Wallos <= 2.38.2 has a file upload vulnerability in the restore backup function, which allows authenticated users to restore backups by upl…

published last yr. modified 4mo ago also EUVD-2025-11492

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 51%
public exploits
0
none known

Summary

Wallos <= 2.38.2 has a file upload vulnerability in the restore backup function, which allows authenticated users to restore backups by uploading a ZIP file. The contents of the ZIP file are extracted on the server. This functionality enables an authenticated attacker (being an administrator is not required) to upload malicious files to the server. Once a web shell is installed, the attacker gains the ability to execute arbitrary commands.

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CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
total
Assessed
last yr.

Exploit prediction

0.64% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-11).

Exploits and checks

  • datafarm.co.th https://www.datafarm.co.th/blog/CVE-2024-55371-and-CVE-2024-55372-Malicious-File-Upload-to-RCE-in-Wallos-Application referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Classification

Weakness
  • CWE-73 External Control of File Name or Path

References

Sources

Fencer Intel 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.