CVE-2004-2033: Orenosv 0.5.9f allows remote attackers to cause a denial of service (crash) via a long HTTP GET request.

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MEDIUM 5.0DOWNGRADE

CVE-2004-2033 is a medium-severity flaw (CVSS 5.0) affecting orenosv http ftp server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Orenosv 0.5.9f allows remote attackers to cause a denial of service (crash) via a long HTTP GET request.

Why this priority

EPSS top 10%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	4.0% (top 10%)
CISA exploited list	No
Published	2004-05-26
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: orenosv

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

Am I affected?

Timeline

2004-05-26 04:00 UTCPublished CVE record published
2026-06-16 22:08 UTCUpdated Record last modified

orenosv orenosv http ftp server DOWNGRADE

Affected: 0.5.9c · 0.5.9e · 0.5.9f

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.5.9c

1. Check installed version

apt-cache policy orenosv-http-ftp-server || rpm -q orenosv-http-ftp-server || orenosv-http-ftp-server --version

2. No fixed release: DOWNGRADE to a release before 0.5.9c (Debian / Ubuntu)

apt-cache madison orenosv-http-ftp-server sudo apt install orenosv-http-ftp-server=<VERSION_BEFORE_0.5.9c> sudo apt-mark hold orenosv-http-ftp-server

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

dnf --showduplicates list orenosv-http-ftp-server sudo dnf downgrade orenosv-http-ftp-server-<VERSION_BEFORE_0.5.9c> sudo dnf versionlock add orenosv-http-ftp-server

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: Orenosv HTTP/FTP Server 0.5.9 - GET Denial of Service (1)
Exploit-DB: Orenosv HTTP/FTP Server 0.5.9 - GET Denial of Service (2)
Exploit-DB: Orenosv HTTP/FTP Server 0.5.9 - GET Denial of Service (3)

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-2004-2033?

orenosv http ftp server: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2004-2033 being exploited?

CVE-2004-2033 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-2004-2033 affect?

CVE-2004-2033 affects orenosv http ftp server. Severity is medium (CVSS 5.0). Orenosv 0.5.9f allows remote attackers to cause a denial of service (crash) via a long HTTP GET request.

How urgent is CVE-2004-2033?

Priority 45/100. EPSS top 10%: very likely to be exploited; Public exploit reference

Related CVEs

CVE-2005-1666 HIGH 7.5 UPGRADE Multiple buffer overflows in Orenosv HTTP/FTP Server 0.8.1 allow remote authenticated users to cause a denial

References

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