CVE-2003-1159: Plug and Play Web Server Proxy 1.0002c allows remote attackers to cause a denial of service (server crash) via

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MEDIUM 5.0DOWNGRADE

CVE-2003-1159 is a medium-severity flaw (CVSS 5.0) affecting plug and play web server proxy. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Plug and Play Web Server Proxy 1.0002c allows remote attackers to cause a denial of service (server crash) via an invalid URI in an HTTP GET request to TCP port 8080.

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	1.7% (top 23%)
CISA exploited list	No
Published	2003-10-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: plug and play

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

Am I affected?

Timeline

2003-10-31 05:00 UTCPublished CVE record published
2026-06-16 22:03 UTCUpdated Record last modified

plug and play plug and play web server proxy DOWNGRADE

Affected: 1.0002c

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0002c

1. Check installed version

apt-cache policy plug-and-play-web-server-proxy || rpm -q plug-and-play-web-server-proxy || plug-and-play-web-server-proxy --version

2. No fixed release: DOWNGRADE to a release before 1.0002c (Debian / Ubuntu)

apt-cache madison plug-and-play-web-server-proxy sudo apt install plug-and-play-web-server-proxy=<VERSION_BEFORE_1.0002c> sudo apt-mark hold plug-and-play-web-server-proxy

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

dnf --showduplicates list plug-and-play-web-server-proxy sudo dnf downgrade plug-and-play-web-server-proxy-<VERSION_BEFORE_1.0002c> sudo dnf versionlock add plug-and-play-web-server-proxy

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.

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-2003-1159?

plug and play web server proxy: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2003-1159 being exploited?

CVE-2003-1159 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-2003-1159 affect?

CVE-2003-1159 affects plug and play web server proxy. Severity is medium (CVSS 5.0). Plug and Play Web Server Proxy 1.0002c allows remote attackers to cause a denial of service (server crash) via an invalid URI in an HTTP GET request to TCP port 8080.

How urgent is CVE-2003-1159?

Priority 42/100. Public exploit reference

References

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