CVE-2002-1009: Cross-site scripting vulnerability in PowerBASIC pbcgi.cgi, as included in Lil' HTTP web server, allows remote

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HIGH 7.5DOWNGRADE

CVE-2002-1009 is a high-severity flaw (CVSS 7.5) affecting lil http server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting vulnerability in PowerBASIC pbcgi.cgi, as included in Lil' HTTP web server, allows remote attackers to execute arbitrary web script in other web browsers via the (1) "Name" or (2) "E-mail" parameters.

Why this priority

High severity
EPSS top 6%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	7.0% (top 6%)
CISA exploited list	No
Published	2002-10-04
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: summit computer networks

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

Am I affected?

Timeline

2002-10-04 04:00 UTCPublished CVE record published
2026-06-16 21:58 UTCUpdated Record last modified

summit computer networks lil http server DOWNGRADE

Affected: 2.1 · 2.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.1

1. Check installed version

apt-cache policy lil-http-server || rpm -q lil-http-server || lil-http-server --version

2. No fixed release: DOWNGRADE to a release before 2.1 (Debian / Ubuntu)

apt-cache madison lil-http-server sudo apt install lil-http-server=<VERSION_BEFORE_2.1> sudo apt-mark hold lil-http-server

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

dnf --showduplicates list lil-http-server sudo dnf downgrade lil-http-server-<VERSION_BEFORE_2.1> sudo dnf versionlock add lil-http-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: Summit Computer Networks Lil' HTTP Server 2.1/2.2 - 'pbcgi.cgi' Cross-Site Scripting

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-2002-1009?

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

Is CVE-2002-1009 being exploited?

CVE-2002-1009 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-2002-1009 affect?

CVE-2002-1009 affects lil http server. Severity is high (CVSS 7.5). Cross-site scripting vulnerability in PowerBASIC pbcgi.cgi, as included in Lil' HTTP web server, allows remote attackers to execute arbitrary web script in other web browsers via the (1) "Name" or (2) "E-mail" parameters.

How urgent is CVE-2002-1009?

Priority 55/100. High severity; EPSS top 6%: very likely to be exploited; Public exploit reference

Related CVEs

CVE-2002-1008 HIGH 7.5 DOWNGRADE Cross-site scripting vulnerability in PowerBASIC urlcount.cgi, as included in Lil' HTTP web server, allows rem
CVE-2002-0304 MEDIUM 5.0 DOWNGRADE Lil HTTP Server 2.1 allows remote attackers to read password-protected files via a /./ in the HTTP request.

References

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