CVE-2003-1247

NONECVSS 0.0Weaponized

0.0

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.

CVSS v3: —
EG Score: —
EPSS: 98.0%
KEV: Not listed

Published

December 31, 2003

Last Modified

April 16, 2026

References (22)

cve@mitrehttp://psoft.net/misc/webshell_patch.html
cve@mitrehttp://secunia.com/advisories/7832
cve@mitrehttp://www.iss.net/security_center/static/10999.php
cve@mitrehttp://www.iss.net/security_center/static/11002.php
cve@mitrehttp://www.iss.net/security_center/static/11003.php
cve@mitrehttp://www.securityfocus.com/archive/1/305313
cve@mitrehttp://www.securityfocus.com/bid/6527
cve@mitrehttp://www.securityfocus.com/bid/6537
cve@mitrehttp://www.securityfocus.com/bid/6538
cve@mitrehttp://www.securityfocus.com/bid/6540
cve@mitrehttp://www.securitytracker.com/id?1005893
af854a3a-2127-422b-91ae-364da2661108http://psoft.net/misc/webshell_patch.html
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/7832
af854a3a-2127-422b-91ae-364da2661108http://www.iss.net/security_center/static/10999.php
af854a3a-2127-422b-91ae-364da2661108http://www.iss.net/security_center/static/11002.php

Data Freshness Timeline

(refreshed 10× in last 7d / 15× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-29 13:40 UTCepss_batch
2026-05-29 13:40 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-27 13:37 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-20 11:20 UTCepss_batch
2026-05-20 11:20 UTCepss_batch
2026-05-18 21:29 UTCepss_batch
2026-05-18 21:29 UTCepss_batch

Publicly available exploits

(2 references)

Working exploit code is in the public domain (2 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-22128✓ verified
First seen Jan 6, 2003
H-Sphere WebShell 2.4 - Local Privilege Escalation
Open source ↗
Exploit-DBEDB-22129✓ verified
First seen Jan 6, 2003
H-Sphere WebShell 2.4 - Remote Command Execution
Open source ↗

Frequently asked(4)

What is CVE-2003-1247?

CVE-2003-1247 is a none vulnerability published on December 31, 2003. 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.

When was CVE-2003-1247 disclosed?

CVE-2003-1247 was first published in the National Vulnerability Database on December 31, 2003, with the most recent update on April 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2003-1247 actively exploited?

CVE-2003-1247 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 98.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2003-1247?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2003-1247, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2003-1247

📅 Published

🔄 Last Modified

🔗 References (22)