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CVE-2001-0550

73
FAUCET Score

CVE-2001-0550 describes a remote command execution vulnerability in wu-ftpd version 2.6.1 and related ftpd-bsd implementations from David Madore and Washington University. Attackers can exploit this by providing a "~{" argument to commands like CWD, which is mishandled by the ftpglob function. This vulnerability carries a high CVSS score of 7.5, indicating a network-based attack with low complexity and potential for partial compromise of confidentiality, integrity, and availability. While there is no evidence of active exploitation or Metasploit/Nuclei modules, exploit code demonstrating remote command execution and heap corruption is available on ExploitDB, though community discussion and media coverage are minimal.

Impacted Technologies

VendorProductVersion(s)CPE
0.3.2CPE matchmatch criteria
cpe:2.3:a:david_madore:ftpd-bsd:0.3.2:*:*:*:*:*:*:*
0.3.3CPE matchmatch criteria
cpe:2.3:a:david_madore:ftpd-bsd:0.3.3:*:*:*:*:*:*:*
2.5.0CPE matchmatch criteria
cpe:2.3:a:washington_university:wu-ftpd:2.5.0:*:*:*:*:*:*:*
2.6.0CPE matchmatch criteria
cpe:2.3:a:washington_university:wu-ftpd:2.6.0:*:*:*:*:*:*:*
2.6.1CPE matchmatch criteria
cpe:2.3:a:washington_university:wu-ftpd:2.6.1:*:*:*:*:*:*:*

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
74.76%
Probability of exploitation in next 30 days
EPSS Percentile
99.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-348 · May 14, 2002
This CVE's current EPSS score of 0.7476 is in the 99th percentile among its peer group of 51,506 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

Patch Available

Vendor Patches (4)

redhatpatch availablevia redhat_api
Product: Red Hat Linux 6.2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Linux 7.0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Linux 7.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Linux 7.2
View patch

Vendor Advisories (1)

redhatCVE-2001-0550Critical

security flaw

Apr 30, 2001

References

distro.conectiva.com.br / atualizacoes
download.immunix.org / ImmunixOS/7.0/updates/IMNX-2001-70-036-01
marc.info
exchange.xforce.ibmcloud.com / vulnerabilities/7611
www1.itrc.hp.com / service/cki/docDisplay.do
caldera.com / support/security/advisories/CSSA-2001-041.0.txt
PatchVendor Advisory
cert.org / advisories/CA-2001-33.html
PatchThird Party AdvisoryUS Government Resource
debian.org / security/2001/dsa-087
kb.cert.org / vuls/id/886083
PatchThird Party AdvisoryUS Government Resource
linux-mandrake.com / en/security/2001/MDKSA-2001-090.php3
novell.com / linux/security/advisories/2001_043_wuftpd_txt.html
redhat.com / support/errata/RHSA-2001-157.html
PatchVendor Advisory
securityfocus.com / archive/82/180823
securityfocus.com / bid/3581
ExploitPatchVendor Advisory