CVE-2021-39433
A local file inclusion (LFI) vulnerability exists in version BIQS IT Biqs-drive v1.83 and below...
A local file inclusion (LFI) vulnerability exists in version BIQS IT Biqs-drive v1.83 and below when sending a specific payload as the file parameter to download/index.php. This allows the attacker to read arbitrary files from the server with the permissions of the configured web-user.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
A local file inclusion (LFI) vulnerability exists in version BIQS IT Biqs-drive v1.83 and below when sending a specific payload as the file parameter to download/index.php. This allows the attacker to read arbitrary files from the server with the permissions of the configured web-user.
- Record
CVE-2021-39433- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Updated
- 2026-11-02
CVE List No score
A local file inclusion (LFI) vulnerability exists in version BIQS IT Biqs-drive v1.83 and below when sending a specific payload as the file parameter to download/index.php. This allows the attacker to read arbitrary files from the server with the permissions of the configured web-user.
- Record
CVE-2021-39433- Updated
- 2026-11-02
EUVDEUVD-2021-25791 No score
A local file inclusion (LFI) vulnerability exists in version BIQS IT Biqs-drive v1.83 and below when sending a specific payload as the file parameter to download/index.php. This allows the attacker to read arbitrary files from the server with the permissions of the configured web-user.
- Record
EUVD-2021-25791- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6w8q-3v6x-w8r4 No score
A local file inclusion (LFI) vulnerability exists in version BIQS IT Biqs-drive v1.83 and below...
A local file inclusion (LFI) vulnerability exists in version BIQS IT Biqs-drive v1.83 and below when sending a specific payload as the file parameter to download/index.php. This allows the attacker to read arbitrary files from the server with the permissions of the configured web-user.
- Record
GHSA-6w8q-3v6x-w8r4- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Nuclei | BIQS IT Biqs-drive v1.83 Local File Inclusion | |
| PoC in GitHub | PinkDraconian/CVE-2021-39433 | 2021-10-04 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, Nuclei, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-39433 is a high vulnerability (CVSS 7.5) in Biqs Biqsdrive, published October 4, 2021. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 8.69%, the 95th percentile. No source names a fixed version.