CVE-2004-0298: CesarFTP 0.99e allows remote attackers to cause a denial of service (CPU consumption) via a long RETR paramete

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MEDIUM 5.0DOWNGRADE

CVE-2004-0298 is a medium-severity flaw (CVSS 5.0) affecting cesarftp. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

CesarFTP 0.99e allows remote attackers to cause a denial of service (CPU consumption) via a long RETR parameter.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	3.1% (top 12%)
CISA exploited list	No
Published	2004-11-23
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: aclogic

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

Am I affected?

Timeline

2004-11-23 05:00 UTCPublished CVE record published
2026-06-16 22:05 UTCUpdated Record last modified

aclogic cesarftp DOWNGRADE

Affected: 0.99e

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.99e

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.99e (Debian / Ubuntu)

apt-cache madison cesarftp sudo apt install cesarftp=<VERSION_BEFORE_0.99e> sudo apt-mark hold cesarftp

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

dnf --showduplicates list cesarftp sudo dnf downgrade cesarftp-<VERSION_BEFORE_0.99e> sudo dnf versionlock add cesarftp

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: ACLogic CesarFTP 0.99 - Remote Resource Exhaustion (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-2004-0298?

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

Is CVE-2004-0298 being exploited?

CVE-2004-0298 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-2004-0298 affect?

CVE-2004-0298 affects cesarftp. Severity is medium (CVSS 5.0). CesarFTP 0.99e allows remote attackers to cause a denial of service (CPU consumption) via a long RETR parameter.

How urgent is CVE-2004-0298?

Priority 44/100. Public exploit reference

Related CVEs

CVE-2006-2961 HIGH 7.5 UPGRADE Stack-based buffer overflow in CesarFTP 0.99g and earlier allows remote attackers to cause a denial of service
CVE-2003-0329 MEDIUM 4.6 DOWNGRADE CesarFTP 0.99g stores user names and passwords in plaintext in the settings.ini file, which could allow local
CVE-2001-1336 HIGH 7.5 UPGRADE CesarFTP 0.98b and earlier stores usernames and passwords in plaintext in the settings.ini file, which allows
CVE-2001-1335 MEDIUM 5.0 DOWNGRADE Directory traversal vulnerability in CesarFTP 0.98b and earlier allows remote authenticated users (such as ano
CVE-2001-0826 HIGH 7.5 DOWNGRADE Buffer overflows in CesarFTPD 0.98b allows remote attackers to execute arbitrary commands via long arguments t

References

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