CVE-2021-34805
An issue was discovered in FAUST iServer before 9.0.019.019.7. For each URL request, it accesses...
An issue was discovered in FAUST iServer before 9.0.019.019.7. For each URL request, it accesses the corresponding .fau file on the operating system without preventing %2e%2e%5c directory traversal.
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
7.5
An issue was discovered in FAUST iServer before 9.0.019.019.7. For each URL request, it accesses the corresponding .fau file on the operating system without preventing %2e%2e%5c directory traversal.
- Record
CVE-2021-34805- 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
- 7.8 High
AV:N/AC:L/Au:N/C:C/I:N/A:N - Weakness
- CWE-22
- Updated
- 2026-11-02
CVE List No score
An issue was discovered in FAUST iServer before 9.0.019.019.7. For each URL request, it accesses the corresponding .fau file on the operating system without preventing %2e%2e%5c directory traversal.
- Record
CVE-2021-34805- Updated
- 2026-11-02
EUVDEUVD-2021-21452 No score
An issue was discovered in FAUST iServer before 9.0.019.019.7. For each URL request, it accesses the corresponding .fau file on the operating system without preventing %2e%2e%5c directory traversal.
- Record
EUVD-2021-21452- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-m62x-9qq8-9g5h No score
An issue was discovered in FAUST iServer before 9.0.019.019.7. For each URL request, it accesses...
An issue was discovered in FAUST iServer before 9.0.019.019.7. For each URL request, it accesses the corresponding .fau file on the operating system without preventing %2e%2e%5c directory traversal.
- Record
GHSA-m62x-9qq8-9g5h- Weakness
- CWE-22
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Nuclei | FAUST iServer 9.0.018.018.4 - Local File Inclusion |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, Nuclei, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-34805 is a high vulnerability (CVSS 7.5) in Land-software Faust Iserver, published January 31, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 26.8%, the 98th percentile. No source names a fixed version.