CVE-2021-34805
HIGH
7.5
CVSS Score
Published: January 31, 2022 at 07:10 AM UTC
Updated: June 17, 2026 at 03:56 AM UTC
1 product affected across 1 vendorFaust Iserver
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Severity
HIGH7.5
Exploit prediction
EPSS 27%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
9.0.017.017.1-3 ≤ v < 9.0.019.019.7
Affected range stops below 9.0.019.019.7, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (3)
x_refsource_MISCExploitThird Party AdvisoryVDB Entry
Source: [email protected]
http://packetstormsecurity.com/files/165701/FAUST-iServer-9.0.018.018.4-Local-File-Inclusion.htmlx_refsource_MISCProductVendor Advisory
Source: [email protected]
http://www.land-software.de/lfs.fau?prj=iweb&dn=faust+iserverx_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://sec-consult.com/vulnerability-lab/CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- NONE
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-22
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