Description
A security flaw has been discovered in Vaelsys VaelsysV4 up to 5.1.0/5.4.0. This affects an unknown part of the file /grid/vgrid_server.php of the component Web interface. Performing a manipulation of the argument xajaxargs results in use of weak hash. The attack is possible to be carried out remotely. The complexity of an attack is rather high. It is indicated that the exploitability is difficult. The exploit has been released to the public and may be used for attacks. Upgrading to version 5.1.1 and 5.4.1 is able to mitigate this issue. Upgrading the affected component is recommended.
Scores
CVSS v3
3.1
EPSS
0.0004
EPSS Percentile
13.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-327
CWE-328
Status
published
Products (9)
vaelsys/vaelsys
4.1.0
Vaelsys/VaelsysV4
5.0
Vaelsys/VaelsysV4
5.1
Vaelsys/VaelsysV4
5.1.0
Vaelsys/VaelsysV4
5.1.1
Vaelsys/VaelsysV4
5.2
Vaelsys/VaelsysV4
5.3
Vaelsys/VaelsysV4
5.4.0
Vaelsys/VaelsysV4
5.4.1
Published
Jul 28, 2025
Tracked Since
Feb 18, 2026