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CVE-2010-20122

45
FAUCET Score

CVE-2010-20122 is a critical stack-based buffer overflow vulnerability affecting Xftp FTP Client versions up to and including 3.0 (build 0238). It is triggered when the client receives an overly long directory string in response to a PWD command from a malicious FTP server. This flaw allows remote attackers to execute arbitrary code on the client system due to improper input validation. The vulnerability has a CVSS score of 9.3 (CRITICAL), indicating a severe risk. It is easily exploitable over the network with low attack complexity and no user interaction required, leading to high impact on confidentiality, integrity, and availability. The EPSS score of 0.54698 further highlights its significant exploitability. While not listed in CISA's KEV catalog, a Metasploit module exists for this vulnerability, confirming its exploitability. Community discussion is high with 14 mentions, suggesting active awareness and potential interest in this CVE, despite no reported active exploitation or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
NetSarang Computer, Inc.Xftp FTP Client
>= 0, <= 3.0 (build 0238)CNA affecteddefault unknown

CVSS Data

CVSS version used by this source: 4.0

9.3CRITICAL

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
VS Confidentiality
HIGH
VS Integrity
HIGH
VS Availability
HIGH
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
1.01%
Probability of exploitation in next 30 days
EPSS Percentile
59.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
Metasploit: Xftp FTP Client 3.0 PWD Remote Buffer Overflow · Apr 22, 2010
This CVE's current EPSS score of 0.0101 is in the 45th percentile among its peer group of 36,835 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

raw.githubusercontent.com / rapid7/metasploit-framework/master/modules/exploits/windows/ftp/xftp_client_pwd.rb
web.archive.org / web/20090312072219/http://www.netsarang.com/download/down_xft3.html
exploit-db.com / exploits/12332
exploit-db.com / exploits/16739
vulncheck.com / advisories/xftp-ftp-client-pwd-response-buffer-overflow