CVE-2020-8103
Link Resolution Privilege Escalation Vulnerability in Bitdefender Antivirus Free (VA-8604)
A vulnerability in the improper handling of symbolic links in Bitdefender Antivirus Free can allow an unprivileged user to substitute a quarantined file, and restore it to a privileged location. This issue affects Bitdefender Antivirus Free versions prior to 1.0.17.178.
Attack profile
How easy it is to exploit
- Attack vector
- Physical
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Link Resolution Privilege Escalation Vulnerability in Bitdefender Antivirus Free (VA-8604)
A vulnerability in the improper handling of symbolic links in Bitdefender Antivirus Free can allow an unprivileged user to substitute a quarantined file, and restore it to a privileged location. This issue affects Bitdefender Antivirus Free versions prior to 1.0.17.178.
- Record
CVE-2020-8103- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:P/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H - Weakness
- CWE-59
- Updated
- 2026-11-02
EUVDEUVD-2020-29014
A vulnerability in the improper handling of symbolic links in Bitdefender Antivirus Free can allow an unprivileged user to substitute a quarantined file, and restore it to a privileged location. This issue affects Bitdefender Antivirus Free versions prior to 1.0.17.178.
- Record
EUVD-2020-29014- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:P/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-r666-694p-fhv2 No score
A vulnerability in the improper handling of symbolic links in Bitdefender Antivirus Free can...
A vulnerability in the improper handling of symbolic links in Bitdefender Antivirus Free can allow an unprivileged user to substitute a quarantined file, and restore it to a privileged location. This issue affects Bitdefender Antivirus Free versions prior to 1.0.17.178.
- Record
GHSA-r666-694p-fhv2- Updated
- 2026-11-02
NVD
A vulnerability in the improper handling of symbolic links in Bitdefender Antivirus Free can allow an unprivileged user to substitute a quarantined file, and restore it to a privileged location. This issue affects Bitdefender Antivirus Free versions prior to 1.0.17.178.
- Record
CVE-2020-8103- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:P/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H - CVSS 3.1
- 7.1 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H - CVSS 2.0
- 3.6 Low
AV:L/AC:L/Au:N/C:N/I:P/A:P - Weakness
- CWE-59
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | RedyOpsResearchLabs/-CVE-2020-8103-Bitdefender-Antivirus-Free-EoP | 2020-04-03 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-8103 is a high vulnerability (CVSS 7.2) in Bitdefender Antivirus Free, published June 5, 2020. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 0.80%, the 57th percentile. No source names a fixed version.