CVE-2003-1247

CVE-2003-1247 is a high-severity vulnerability in Positive Software H-sphere 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

Description

Multiple buffer overflows in H-Sphere WebShell 2.3 allow remote attackers to execute arbitrary code via (1) a long URL content type in CGI::readFile, (2) a long path in diskusage, and (3) a long fname in flist.

Frequently asked questions

What is CVE-2003-1247?
Multiple buffer overflows in H-Sphere WebShell 2.3 allow remote attackers to execute arbitrary code via (1) a long URL content type in CGI::readFile, (2) a long path in diskusage, and (3) a long fname in flist.
How severe is CVE-2003-1247?
CVE-2003-1247 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2003-1247 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-1247?
CVE-2003-1247 affects Positive Software H-sphere. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2003-1247?
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-2003-1247 published?
CVE-2003-1247 was published on 2003-12-31 and last updated on 2026-06-16.

References

Affected products (1)

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