CVE-2007-3492: Conti FtpServer 1.0 allows remote authenticated users to cause a denial of service (daemon crash) via a certai

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MEDIUM 6.8DOWNGRADE

CVE-2007-3492 is a medium-severity flaw (CVSS 6.8) affecting ftpserver. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Conti FtpServer 1.0 allows remote authenticated users to cause a denial of service (daemon crash) via a certain string containing "//A:" in the argument to the LIST command.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	6.8 (Medium)
EPSS exploit chance	2.7% (top 14%)
CISA exploited list	No
Published	2007-06-29
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: conti

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2007-06-29 18:30 UTCPublished CVE record published
2026-06-16 22:42 UTCUpdated Record last modified

conti ftpserver DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy ftpserver || rpm -q ftpserver || ftpserver --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison ftpserver sudo apt install ftpserver=<VERSION_BEFORE_1.0> sudo apt-mark hold ftpserver

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list ftpserver sudo dnf downgrade ftpserver-<VERSION_BEFORE_1.0> sudo dnf versionlock add ftpserver

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: Conti FTP Server 1.0 - Large String Denial of Service

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2007-3492?

ftpserver: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2007-3492 being exploited?

CVE-2007-3492 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2007-3492 affect?

CVE-2007-3492 affects ftpserver. Severity is medium (CVSS 6.8). Conti FtpServer 1.0 allows remote authenticated users to cause a denial of service (daemon crash) via a certain string containing "//A:" in the argument to the LIST command.

How urgent is CVE-2007-3492?

Priority 50/100. Public exploit reference

Related CVEs

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CVE-2006-6949 MEDIUM 4.6 DOWNGRADE Conti FTPServer 1.0 Build 2.8 stores user passwords in cleartext in MyServerSettings.ini, which allows local u

References

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