Link Resolution Privilege Escalation Vulnerability in Bitdefender Antivirus Free (VA-8604)
Priority LOW 33CWE-59Published · Updated
Key facts
- Attack vector
- Physical
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
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.
Why it matters now
EPSS 0.00805 57th percentileScored 2026-11-07
Fix Fixed Bitdefender Antivirus Free (Bitdefender): 1.0.17.178
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Bitdefender | Bitdefender Antivirus Free | before 1.0.17.178 | 1.0.17.178 | Patch available | CNA |
- Bitdefender Antivirus Free VendorBitdefender Affected before 1.0.17.178 Fixed in 1.0.17.178 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:bitdefender:antivirus_2020:*:*:*:*:free:*:*:* | before 1.0.17.178 | Vulnerable | Bitdefender |
- cpe:2.3:a:bitdefender:antivirus_2020:*:*:*:*:free:*:*:* Versions before 1.0.17.178 Vulnerable ·Bitdefender
Remediation
- Fix · CNA Bitdefender Antivirus Free (Bitdefender) Fixed in 1.0.17.178
Timeline
- 2026-10-02 Threatist record created from CVE-2020-8103
- 2026-10-03 Alias added: GHSA-r666-694p-fhv2
References
More Bitdefender Antivirus 2020 vulnerabilities
- TI-2020-06516 Untrusted Search Path Vulnerability in Bitdefender Antivirus Free 2020 (VA-8422) CVSS 4.0HIGH 8.8
- TI-2019-11405 An Untrusted Search Path vulnerability in the ServiceInstance.dll library versions… CVSS 3.0HIGH 7.8
- TI-2020-06520 Link Resolution Privilege Escalation Vulnerability in Bitdefender Antivirus Free (VA-8387) CVSS 3.1HIGH 7.1
Sources
- CVE-2020-8103 · CVE Program
- CVE-2020-8103 · NVD
- FIRST EPSS
- GHSA-r666-694p-fhv2 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences