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CVE-2003-1247

32
FAUCET Score

CVE-2003-1247 describes multiple buffer overflow vulnerabilities in H-Sphere WebShell version 2.3, allowing remote attackers to execute arbitrary code through specially crafted input to functions like CGI::readFile, diskusage, and flist. With a CVSS score of 7.5, this vulnerability is considered highly severe, requiring no authentication and having low attack complexity, potentially leading to partial confidentiality, integrity, and availability compromise. While not currently on CISA's KEV catalog, public exploit code exists for similar versions (2.4) demonstrating both remote command execution and local privilege escalation, though there is no evidence of widespread active exploitation or community discussion for this specific CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2.3_rc3CPE matchmatch criteria
cpe:2.3:a:positive_software:h-sphere:2.3_rc3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

AV:N/AC:L/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
9.95%
Probability of exploitation in next 30 days
EPSS Percentile
95.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
ExploitDB: EDB-22129 · Jan 6, 2003
This CVE's current EPSS score of 0.0995 is in the 92nd percentile among its peer group of 51,485 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

psoft.net / misc/webshell_patch.html
Patch
secunia.com / advisories/7832
iss.net / security_center/static/10999.php
Patch
iss.net / security_center/static/11002.php
Patch
iss.net / security_center/static/11003.php
Patch
securityfocus.com / archive/1/305313
ExploitPatchVendor Advisory
securityfocus.com / bid/6527
securityfocus.com / bid/6537
Patch
securityfocus.com / bid/6538
Patch
securityfocus.com / bid/6540
Patch
securitytracker.com / id