CVE-2004-2117: Tiny Server 1.1 allows remote attackers to cause a denial of service (crash) via malformed HTTP requests such

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MEDIUM 5.0DOWNGRADE

CVE-2004-2117 is a medium-severity flaw (CVSS 5.0) affecting tinyserver. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Tiny Server 1.1 allows remote attackers to cause a denial of service (crash) via malformed HTTP requests such as (1) a GET request without the HTTP version (HTTP/1.1), or (2) a request without GET or the HTTP version.

Why this priority

EPSS top 5%: 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	8.0% (top 5%)
CISA exploited list	No
Published	2004-01-24
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: tinyserver

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

Am I affected?

Timeline

2004-01-24 05:00 UTCPublished CVE record published
2026-06-16 22:09 UTCUpdated Record last modified

tinyserver tinyserver DOWNGRADE

Affected: 1.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.1

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.1 (Debian / Ubuntu)

apt-cache madison tinyserver sudo apt install tinyserver=<VERSION_BEFORE_1.1> sudo apt-mark hold tinyserver

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

dnf --showduplicates list tinyserver sudo dnf downgrade tinyserver-<VERSION_BEFORE_1.1> sudo dnf versionlock add tinyserver

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: TinyServer 1.1 - 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-2004-2117?

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

Is CVE-2004-2117 being exploited?

CVE-2004-2117 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-2004-2117 affect?

CVE-2004-2117 affects tinyserver. Severity is medium (CVSS 5.0). Tiny Server 1.1 allows remote attackers to cause a denial of service (crash) via malformed HTTP requests such as (1) a GET request without the HTTP version (HTTP/1.1), or (2) a request without GET or the HTTP version.

How urgent is CVE-2004-2117?

Priority 46/100. EPSS top 5%: very likely to be exploited; Public exploit reference

Related CVEs

CVE-2004-2119 MEDIUM 4.3 DOWNGRADE Cross-site scripting (XSS) vulnerability in Tiny Server 1.1 allows remote attackers to inject arbitrary web sc
CVE-2004-2118 MEDIUM 5.0 DOWNGRADE Tiny Server 1.1 allows remote attackers to cause a denial of service (crash) via a GET request with a long fil
CVE-2004-2116 MEDIUM 5.0 DOWNGRADE Directory traversal vulnerability in Tiny Server 1.1 allows remote attackers to read or download arbitrary fil

References

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