Server-side request forgery in Bitdefender Update Server
Priority MEDIUM 41CWE-918Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
Insufficient validation in the Bitdefender Update Server and BEST Relay components of Bitdefender Endpoint Security Tools versions prior to 6.6.20.294 allows an unprivileged attacker to bypass the in-place mitigations and interact with hosts on the network. This issue affects: Bitdefender Update Server versions prior to 6.6.20.294.
Why it matters now
EPSS 0.00859 58th percentileScored 2026-11-07
Fix Fixed Bitdefender Update Server (Bitdefender): 6.6.20.294
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 Update Server | before 6.6.20.294 | 6.6.20.294 | Patch available | CNA |
- Bitdefender Update Server VendorBitdefender Affected before 6.6.20.294 Fixed in 6.6.20.294 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:bitdefender:update_server:*:*:*:*:*:*:*:* | before 6.6.20.294 | Vulnerable | Bitdefender |
- cpe:2.3:a:bitdefender:update_server:*:*:*:*:*:*:*:* Versions before 6.6.20.294 Vulnerable ·Bitdefender
Remediation
- Fix · CNA Bitdefender Update Server (Bitdefender) Fixed in 6.6.20.294
Timeline
- 2026-10-02 Threatist record created from CVE-2020-15297
- 2026-10-03 Alias added: GHSA-hhwp-8mhp-w9rv
References
More Bitdefender Update Server vulnerabilities
- TI-2008-00371 Directory traversal vulnerability in BitDefender Update Server (http.exe), as used in… CVSS 2.0HIGH 7.8
- TI-2022-00592 Improper Handling of Length Parameter Inconsistency vulnerability in Bitdefender Update Server (VA-10144) CVSS 3.1HIGH 7.5
Sources
- CVE-2020-15297 · CVE Program
- CVE-2020-15297 · NVD
- FIRST EPSS
- GHSA-hhwp-8mhp-w9rv · GitHub Advisory Database · CC BY 4.0
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