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CVE-2007-3422: The getcgi function in cgi-bin/cgi-lib/subs.pl in web-app.org WebAPP before 0.9.9.7 attempts to parse query st

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HIGH 7.5UPGRADE

CVE-2007-3422 is a high-severity flaw (CVSS 7.5) affecting webapp. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The getcgi function in cgi-bin/cgi-lib/subs.pl in web-app.org WebAPP before 0.9.9.7 attempts to parse query strings that contain (1) non-printing characters, (2) certain printing characters that do not commonly occur in URLs, or (3) invalid URL encoding sequences, which has unknown impact and remote attack vectors.

Why this priority

  • High severity

A fixed release or distro patch exists.

Risk facts

CVSS score7.5 (High)
EPSS exploit chance1.1% (top 34%)
CISA exploited listNo
Published2007-06-26
Last modified2026-06-16
Publisher (CNA): MITRE · Vendor: web-app.org

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

Am I affected?

Timeline

web-app.org webapp UPGRADE
Affected: <= 0.9.9.6
Fixed in: newer than 0.9.9.6
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy webapp || rpm -q webapp || webapp --version
2. UPGRADE to newer than 0.9.9.6 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade webapp
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade webapp
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
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-2007-3422?

webapp: upgrade to newer than 0.9.9.6. Exact commands for each OS are on this page.

Is CVE-2007-3422 being exploited?

CVE-2007-3422 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-2007-3422 affect?

CVE-2007-3422 affects webapp. Severity is high (CVSS 7.5). The getcgi function in cgi-bin/cgi-lib/subs.pl in web-app.org WebAPP before 0.9.9.7 attempts to parse query strings that contain (1) non-printing characters, (2) certain printing characters that do not commonly occur in URLs, or (3) invalid

How urgent is CVE-2007-3422?

Priority 43/100. High severity

Related CVEs

References

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