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CVE-2023-42126

Published: May 3, 2024Updated: Aug 18, 2025 Sources: CVE List NVD BDUCWE-59
7.8HIGH
NVD MITRE
EPSS Score
0.4%
Top 68.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Not available

Description

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:UC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-59

Affected Products

G Data CyberDefense AG
commercial·DEaka G DATA, gdata cyberdefense ag, gdata
Total SecurityOn-prem
Security Products / endpoint-av-edr
gdata-software
commercialaka total security, g data antivirus, totalprotection
total securityOn-prem
Security Products / endpoint-av-edr
and 1 more affected products View all →

Exploitability

Official Patch Available
Is your org exposed to CVE-2023-42126?We can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques
Collection
Discovery
View detailed technique mapping

References

https://www.zerodayinitiative.com/advisories/ZDI-23-1493/
zerodayinitiative.com
https://www.zerodayinitiative.com/advisories/ZDI-CAN-20694/
zerodayinitiative.com
https://vuldb.com/ru/?id.240971
vuldb.com
News mentions
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