Vaelsys VaelsysV4 Web interface vgrid_server.php weak hash

MITRE NVD CVE.ORG JSON API Print: PDF PDF

Summary

CVECVE-2025-8260
StatePUBLISHED
AssignerVulDB
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-07-28 06:15:25 UTC
Updated2026-04-29 01:00:01 UTC
DescriptionA 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.

Risk And Classification

Primary CVSS: v4.0 1.3 LOW from [email protected]

CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Problem Types: CWE-327 | CWE-328 | CWE-328 Use of Weak Hash | CWE-327 Risky Cryptographic Algorithm

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary1.3LOWCVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/C...
4.0CNADECLARED2.3LOWCVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
3.1[email protected]Primary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
3.1[email protected]Secondary3.1LOWCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
3.1CNADECLARED3.1LOWCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C
3.0CNADECLARED3.1LOWCVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C
2.0[email protected]Secondary2.1AV:N/AC:H/Au:S/C:P/I:N/A:N
2.0CNADECLARED2.1AV:N/AC:H/Au:S/C:P/I:N/A:N/E:POC/RL:OF/RC:C

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
High
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

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

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Vaelsys Vaelsys 4.1.0 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Vaelsys VaelsysV4 affected 5.0 Not specified
CNA Vaelsys VaelsysV4 affected 5.1 Not specified
CNA Vaelsys VaelsysV4 affected 5.1.0 Not specified
CNA Vaelsys VaelsysV4 affected 5.2 Not specified
CNA Vaelsys VaelsysV4 affected 5.3 Not specified
CNA Vaelsys VaelsysV4 affected 5.4.0 Not specified
CNA Vaelsys VaelsysV4 unaffected 5.1.1 Not specified
CNA Vaelsys VaelsysV4 unaffected 5.4.1 Not specified

References

ReferenceSourceLinkTags
github.com/waiwai24/0101/blob/main/CVEs/Vaelsys/Unauthorized_Access_Lead... [email protected] github.com Exploit, Third Party Advisory
vuldb.com/vuln/317848 [email protected] vuldb.com
vuldb.com/vuln/317848/cti [email protected] vuldb.com
vuldb.com/submit/616922 [email protected] vuldb.com
vaelsys.github.io/security-advisory/advisories/VSEC_V4_2025_07_0002.html [email protected] vaelsys.github.io
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: waiwai24 (VulDB User) (en)

CNA: security_vaelsys (VulDB User) (en)

Additional Advisory Data

SourceTimeEvent
CNA2025-07-26T02:00:00.000ZVulDB entry created
CNA2026-03-20T00:00:00.000ZAdvisory disclosed
CNA2026-04-15T09:07:00.000ZVulDB entry last update

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