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Vulnerability record · CVE-2012-6067 · published 4 December 2012

CVE-2012-6067: Freeftpd improper authentication vulnerability

Freeftpd · Freeftpd

freeFTPd.exe in freeFTPd through 1.0.11 allows remote attackers to bypass authentication via a crafted SFTP session, as demonstrated by an OpenSSH client with modified versions of ssh.c and sshconnect2.c.

10.0 CVSS 2.0 High EPSS 3.1% · top 12.6% CWE-287 · Improper authentication
10.0CVSS 2.0 base score
3.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
16 Jun 2026Last modified by NVD

Description

freeFTPd.exe in freeFTPd through 1.0.11 allows remote attackers to bypass authentication via a crafted SFTP session, as demonstrated by an OpenSSH client with modified versions of ssh.c and sshconnect2.c.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://archives.neohapsis.com/archives/fulldisclosure/2012-12/0011.html
http://archives.neohapsis.com/archives/fulldisclosure/2012-12/0011.html

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.3CVE-2013-10042Freeftpd stack-based buffer overflow vulnerabilityA stack-based buffer overflow vulnerability exists in freeFTPd version 1.0.10 and earlier in the handling of the FTP PASS command. When an attacker s…EPSS 2.5%8.8CVE-2019-19383Freeftpd classic buffer overflow vulnerabilityfreeFTPd 1.0.8 has a Post-Authentication Buffer Overflow via a crafted SIZE command (this is exploitable even if logging is disabled).EPSS 2.8%7.5CVE-2006-2407wodSSHServer ActiveX stack buffer overflow via key exchange stringA stack-based buffer overflow exists in the WeOnlyDo wodSSHServer ActiveX component (versions 1.2.7 and 1.3.3 DEMO), which is also embedded in FreeSS…EPSS 71%analysed7.5CVE-2005-3683freeFTPd logging stack buffer overflow via long USER commandfreeFTPd before 1.0.9 contains a stack-based buffer overflow that is reachable when logging is enabled. A remote attacker can send an oversized USER …EPSS 72%analysed7.5CVE-2005-3684Freeftpd vulnerabilityMultiple buffer overflows in freeFTPd 1.0.8, without logging enabled, allow remote authenticated attackers to cause a denial of service (application …EPSS 14%6.8CVE-2005-3812Freeftpd vulnerabilityfreeFTPd 1.0.10 allows remote authenticated users to cause a denial of service (null dereference and crash) via a PORT command with missing arguments.EPSS 3.0%7.5CVE-2026-42018JFrog Artifactory improper authentication leaks anonymous tokenJFrog Artifactory can return an internal anonymous-user token to an unauthenticated caller even when anonymous access is disabled. Because the token …KEVEPSS 9.8%analysed9.8CVE-2026-82329JFrog Artifactory improper authentication allows admin takeoverJFrog Artifactory contains an improper authentication weakness (CWE-287) that, under default configuration, may let an unauthenticated attacker with …KEVEPSS 14%analysed

Source: NIST National Vulnerability Database (record CVE-2012-6067), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.