Vulnerability Details : CVE-2021-41551
Leostream Connection Broker 9.0.40.17 allows administrators to conduct directory traversal attacks by uploading z ZIP file that contains a symbolic link.
Vulnerability category: Directory traversal
Exploit prediction scoring system (EPSS) score for CVE-2021-41551
Probability of exploitation activity in the next 30 days: 0.06%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 24 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2021-41551
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
4.0
|
MEDIUM | AV:N/AC:L/Au:S/C:P/I:N/A:N |
8.0
|
2.9
|
NIST |
4.9
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N |
1.2
|
3.6
|
NIST |
CWE ids for CVE-2021-41551
-
The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-41551
-
https://www.leostream.com/resource/leostream-connection-broker-9-0/
Leostream Connection Broker 9 – Enterprise VDI and Remote AccessRelease Notes;Vendor Advisory
-
https://leostream.com/wp-content/uploads/2018/11/Leostream_release_notes.pdf
Release Notes;Vendor Advisory
Products affected by CVE-2021-41551
- cpe:2.3:a:leostream:connection_broker:9.0.40.17:*:*:*:*:*:*:*