Local privilege escalation in Windows Server OS through installed Tetra Connectivity Server (TCS)

Summary

CVECVE-2025-7024
StatePUBLISHED
Assignerairbus
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-03 08:16:17 UTC
Updated2026-04-03 08:16:17 UTC
DescriptionIncorrect Default Permissions vulnerability in AIRBUS PSS TETRA Connectivity Server on Windows Server OS allows Privilege Abuse. An attacker may execute arbitrary code with SYSTEM privileges if a user is tricked or directed to place a crafted file into the vulnerable directory. This issue affects TETRA connectivity Server: 7.0. Vulnerability fix is available and delivered to impacted customers.

Risk And Classification

Primary CVSS: v4.0 5.6 MEDIUM from [email protected]

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:U/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-276 | CWE-276 CWE-276 Incorrect Default Permissions


VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary5.6MEDIUMCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:U/C...
4.0CNACVSS5.6MEDIUMCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:U
3.1[email protected]Secondary7.3HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
3.1CNACVSS7.3HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

CVSS v4.0 Breakdown

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

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:U/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
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA AIRBUS TETRA Connectivity Server TCS affected 7.0 semver Not specified
CNA AIRBUS TETRA Connectivity Server TCS unaffected 8.0 semver Not specified
CNA AIRBUS TETRA Connectivity Server TCS unaffected 9.0 semver Not specified

References

ReferenceSourceLinkTags
cwe.mitre.org/data/definitions/276.html [email protected] cwe.mitre.org
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: Erkan Ekici (en)

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