CVE-2021-34805
For each URL request, it accesses the corresponding .fau file on the operating system without preventing %2e%2e%5c directory traversal.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 26.8%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
Description
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 26.82% probability · 98th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-22
- Affected
- land-software/faust iserver
- Source
- cve@mitre.org
EPSS 26.8% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://packetstormsecurity.com/files/165701/FAUST-iServer-9.0.018.018.4-Local-File-Inclusion.htmlExploit, Third Party Advisory, VDB Entry
- http://www.land-software.de/lfs.fau?prj=iweb&dn=faust+iserverProduct, Vendor Advisory
- https://sec-consult.com/vulnerability-lab/Exploit, Third Party Advisory
- http://packetstormsecurity.com/files/165701/FAUST-iServer-9.0.018.018.4-Local-File-Inclusion.htmlExploit, Third Party Advisory, VDB Entry
- http://www.land-software.de/lfs.fau?prj=iweb&dn=faust+iserverProduct, Vendor Advisory
- https://sec-consult.com/vulnerability-lab/Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.