CVE-2007-3420: The Random Cookie Password functionality in the loaduser function in cgi-bin/cgi-lib/subs.pl in web-app.org We

Q: How do I fix CVE-2007-3420?

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

Q: Is CVE-2007-3420 being exploited?

CVE-2007-3420 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2007-3420 affect?

CVE-2007-3420 affects webapp. Severity is high (CVSS 7.5). The Random Cookie Password functionality in the loaduser function in cgi-bin/cgi-lib/subs.pl in web-app.org WebAPP before 0.9.9.7 does not clear the (1) username, (2) password, (3) usertheme, and (4) userlang cookies for unauthorized users,

This month

HIGH 7.5UPGRADE

CVE-2007-3420 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 Random Cookie Password functionality in the loaduser function in cgi-bin/cgi-lib/subs.pl in web-app.org WebAPP before 0.9.9.7 does not clear the (1) username, (2) password, (3) usertheme, and (4) userlang cookies for unauthorized users, which has unknown impact and remote attack vectors.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	1.1% (top 34%)
CISA exploited list	No
Published	2007-06-26
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: web-app.org

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

Am I affected?

Timeline

2007-06-26 23:30 UTCPublished CVE record published
2026-06-16 22:41 UTCUpdated Record last modified

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-2007-3420?

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

Is CVE-2007-3420 being exploited?

CVE-2007-3420 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-2007-3420 affect?

CVE-2007-3420 affects webapp. Severity is high (CVSS 7.5). The Random Cookie Password functionality in the loaduser function in cgi-bin/cgi-lib/subs.pl in web-app.org WebAPP before 0.9.9.7 does not clear the (1) username, (2) password, (3) usertheme, and (4) userlang cookies for unauthorized users,

How urgent is CVE-2007-3420?

Priority 43/100. High severity

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References

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