Path Traversal in Land-Software Faust Iserver
CVE-2021-34805
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.
Vulnerability class: Path Traversal (Directory Traversal)
EPSS: 0.268 (97.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Land-software Faust_iserver
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Product, x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-34805?
- CVE-2021-34805 is a high-severity vulnerability in Land-Software Faust Iserver, classified under Path Traversal. CVSS score: 7.5/10. Published 2022-01-31.
- How severe is CVE-2021-34805?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2021-34805 known to be exploited?
- 7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.