CVE-2002-2370: SWS web server 0.0.4, 0.0.3 and 0.1.0 allows remote attackers to cause a denial of service (crash) via a URL r

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MEDIUM 5.0DOWNGRADE

CVE-2002-2370 is a medium-severity flaw (CVSS 5.0) affecting sws simple web server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

SWS web server 0.0.4, 0.0.3 and 0.1.0 allows remote attackers to cause a denial of service (crash) via a URL request that does not end with a newline.

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	3.2% (top 12%)
CISA exploited list	No
Published	2002-12-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: sws

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

Am I affected?

Timeline

2002-12-31 05:00 UTCPublished CVE record published
2026-06-16 22:01 UTCUpdated Record last modified

sws sws simple web server DOWNGRADE

Affected: 0.0.3 · 0.0.4 · 0.1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.0.3

1. Check installed version

apt-cache policy sws-simple-web-server || rpm -q sws-simple-web-server || sws-simple-web-server --version

2. No fixed release: DOWNGRADE to a release before 0.0.3 (Debian / Ubuntu)

apt-cache madison sws-simple-web-server sudo apt install sws-simple-web-server=<VERSION_BEFORE_0.0.3> sudo apt-mark hold sws-simple-web-server

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

dnf --showduplicates list sws-simple-web-server sudo dnf downgrade sws-simple-web-server-<VERSION_BEFORE_0.0.3> sudo dnf versionlock add sws-simple-web-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: SWS Simple Web Server 0.0.3/0.0.4/0.1 - New Line 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-2002-2370?

sws simple web server: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2002-2370 being exploited?

CVE-2002-2370 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-2002-2370 affect?

CVE-2002-2370 affects sws simple web server. Severity is medium (CVSS 5.0). SWS web server 0.0.4, 0.0.3 and 0.1.0 allows remote attackers to cause a denial of service (crash) via a URL request that does not end with a newline.

How urgent is CVE-2002-2370?

Priority 45/100. Public exploit reference

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References

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