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CVE-2001-1021

58
FAUCET Score

CVE-2001-1021 describes multiple buffer overflow vulnerabilities in WS_FTP 2.02, affecting progress ws_ftp_server. Remote attackers can exploit these flaws by sending overly long arguments to various FTP commands, including DELE, MDTM, and MKD. This vulnerability carries a high CVSS score of 7.5, indicating a network-based attack with low complexity, potentially leading to partial compromise of confidentiality, integrity, and availability. While not listed on the KEV catalog, exploit code is publicly available on ExploitDB, and the CVE has garnered significant community discussion, suggesting awareness and potential for exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
2.0.2CPE matchmatch criteria
cpe:2.3:a:progress:ws_ftp_server:2.0.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

AV:N/AC:L/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
42.14%
Probability of exploitation in next 30 days
EPSS Percentile
98.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
ExploitDB: EDB-1158 · Nov 29, 2004
This CVE's current EPSS score of 0.4214 is in the 97th percentile among its peer group of 51,466 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

archives.neohapsis.com / archives/bugtraq/2001-07/0610.html
ExploitPatchVendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/6911
ipswitch.com / Support/WS_FTP-Server/patch-upgrades.html
Patch