Vulnerability in G Data Total Security
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (31.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 31.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- G Data Total Security — versions 25.5.14.95
- Gdata-Software Total Security — versions 25.5.14.95
Weakness classification (CWE)
References
- www.zerodayinitiative.com/advisories/ZDI-23-1493/ (x_research-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2023-42126?
- CVE-2023-42126 is a high-severity vulnerability in G Data Total Security, classified under Improper Link Resolution Before File Access. CVSS score: 7.8/10. Published 2024-05-03.
- How severe is CVE-2023-42126?
- High severity. CVSS v3 base score is 7.8 out of 10.