How severe is CVE-2007-3421?

CVE-2007-3421 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2007-3421 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-3421?

CVE-2007-3421 affects Web-app.org Webapp. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2007-3421?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2007-3421 published?

CVE-2007-3421 was published on 2007-06-26 and last updated on 2026-06-16.

CVE-2007-3421

CVE-2007-3421 is a high-severity vulnerability in Web-app.org Webapp with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Web-app.org Webapp
Published: 2007-06-26
Last modified: 2026-06-16

Description

The (1) login, (2) admin profile edit, (3) reminder, (4) edit profile, (5) profile view, (6) gallery view, (7) gallery comment, and (8) gallery feedback capabilities in web-app.org WebAPP before 0.9.9.7 do not verify presence of users in memberlist.dat, which has unknown impact and remote attack vectors.

Frequently asked questions

What is CVE-2007-3421?: The (1) login, (2) admin profile edit, (3) reminder, (4) edit profile, (5) profile view, (6) gallery view, (7) gallery comment, and (8) gallery feedback capabilities in web-app.org WebAPP before 0.9.9.7 do not verify presence of users in memberlist.dat, which has unknown impact and remote attack vectors.
How severe is CVE-2007-3421?: CVE-2007-3421 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2007-3421 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-3421?: CVE-2007-3421 affects Web-app.org Webapp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2007-3421?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2007-3421 published?: CVE-2007-3421 was published on 2007-06-26 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:web-app.org:webapp:*:*:*:*:*:*:*:*

More vulnerabilities in Web-app.org Webapp

CVE-2005-0927 — Critical (CVSS 10.0): Unknown vulnerability in subs.pl for WebAPP 0.9.9 through 0.9.9.2 has unknown impact and attack vectors, probably…
CVE-2007-3422 — 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…
CVE-2007-3424 — High (CVSS 7.5): The moveim function in cgi-bin/cgi-lib/instantmessage.pl in web-app.org WebAPP before 0.9.9.7 uses the tocat parameter…
CVE-2007-3420 — 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…
CVE-2007-3423 — High (CVSS 7.5): cgi-bin/cgi-lib/instantmessage.pl in web-app.org WebAPP before 0.9.9.7 uses the From field of an instant message as the…
CVE-2007-3419 — High (CVSS 7.5): The editprofile3 function in cgi-bin/cgi-lib/user.pl in web-app.org WebAPP before 0.9.9.7 does not properly check the…

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