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CVE-2021-41636

22
FAUCET Score

CVE-2021-41636 describes a directory traversal vulnerability in MELAG FTP Server 2.2.0.4, allowing an authenticated attacker to use the CWD command to escape the FTP root directory and access the entire operating system, subject to the FTP server user's permissions. This medium-severity vulnerability has a CVSS score of 6.5, indicating a network-based attack with low complexity that could lead to high confidentiality impact. Currently, there is no known active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2.2.0.4CPE matchmatch criteria
cpe:2.3:a:melag:ftp_server:2.2.0.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.35%
Probability of exploitation in next 30 days
EPSS Percentile
68.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0135 is in the 82nd percentile among its peer group of 21,974 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

securesystems.de / blog/advisory-and-exploitation-the-melag-ftp-server
ExploitMitigationThird Party Advisory