Vulnerability Report

CVE-2023-42126

RCE

Title: Gdata-Software Total Security RCE

RCE

Proof Of Concept

No public PoC currently indexed for CVE-2023-42126.

CWE Category CWE-59
Published Date May 03, 2024
Modified Date Aug 18, 2025
Exploit Status Not Found
Score 7.8 CVSS v3.0
Exploit Probability (EPSS)
0.40%

Vulnerability Summary

CVE-2023-42126: G DATA Total Security GDBackupSvc Service Link Following Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of G Data Total Security. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the GDBackupSvc service. By creating a symbolic link, an attacker can abuse the service to create a file with a permissive DACL. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-20694.

Impacted Vendors

B
bitdefender 1
K
kaspersky 1
G
gdata-software 1
F
fabrix 1

Reference Links

https://www.zerodayinitiative.com/advisories/ZDI-23-1493/ https://www.zerodayinitiative.com/advisories/ZDI-23-1493/
CVSS v3.0
Source Entity [email protected]
Severity HIGH
7.8
Attack Vector
LOCAL
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2023-42126 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector LOCAL
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.