Vulnerability Details : CVE-2021-41636
Potential exploit
MELAG FTP Server 2.2.0.4 allows an attacker to use the CWD command to break out of the FTP servers root directory and operate on the entire operating system, while the access restrictions of the user running the FTP server apply.
Vulnerability category: Directory traversal
Products affected by CVE-2021-41636
- cpe:2.3:a:melag:ftp_server:2.2.0.4:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-41636
0.17%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 40 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-41636
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.8
|
MEDIUM | AV:N/AC:L/Au:S/C:C/I:N/A:N |
8.0
|
6.9
|
NIST | |
|
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2021-41636
-
The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-41636
-
https://www.securesystems.de/blog/advisory-and-exploitation-the-melag-ftp-server/
Advisory and Exploitation: The MELAG FTP ServerExploit;Mitigation;Third Party Advisory
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