How severe is CVE-2008-6938?

CVE-2008-6938 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2008-6938 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 26% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-6938?

CVE-2008-6938 primarily affects Holger Zimmermann Pi3web. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2008-6938?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2008-6938 published?

CVE-2008-6938 was published on 2009-08-11 and last updated on 2026-06-16.

CVE-2008-6938

CVE-2008-6938 is a medium-severity vulnerability in Holger Zimmermann Pi3web with a CVSS 2.0 base score of 4.3. Its EPSS exploit-prediction score of 26% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 26% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Holger Zimmermann Pi3web
Published: 2009-08-11
Last modified: 2026-06-16

Description

Pi3Web 2.0.3 before PL2, when installed on Windows as a desktop application and without using the Pi3Web/Conf/Intenet.pi3, allows remote attackers to cause a denial of service (crash or hang) and obtain the full pathname of the server via a request to a file in the ISAPI directory that is not an executable DLL, which triggers the crash when the DLL load fails, as demonstrated using Isapi\users.txt.

Frequently asked questions

What is CVE-2008-6938?: Pi3Web 2.0.3 before PL2, when installed on Windows as a desktop application and without using the Pi3Web/Conf/Intenet.pi3, allows remote attackers to cause a denial of service (crash or hang) and obtain the full pathname of the server via a request to a file in the ISAPI directory that is not an executable DLL, which triggers the crash when the DLL load fails, as demonstrated using Isapi\users.txt.
How severe is CVE-2008-6938?: CVE-2008-6938 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2008-6938 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 26% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-6938?: CVE-2008-6938 primarily affects Holger Zimmermann Pi3web. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2008-6938?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2008-6938 published?: CVE-2008-6938 was published on 2009-08-11 and last updated on 2026-06-16.

References

Affected products (5)

cpe:2.3:a:holger_zimmermann:pi3web:*:*:*:*:*:*:*:*
cpe:2.3:a:holger_zimmermann:pi3web:1.0.1:*:*:*:*:*:*:*
cpe:2.3:a:holger_zimmermann:pi3web:2.0:*:*:*:*:*:*:*
cpe:2.3:a:holger_zimmermann:pi3web:2.0.1:*:*:*:*:*:*:*
cpe:2.3:a:holger_zimmermann:pi3web:2.0.2_beta_1:*:*:*:*:*:*:*

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