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CVE-2009-3711

77
FAUCET Score

CVE-2009-3711 describes a critical stack-based buffer overflow in the h_handlepeer function of httpdx versions 1.4 and potentially 1.4.3. This vulnerability, with a CVSS score of 10.0, allows unauthenticated remote attackers to trigger a denial of service and potentially execute arbitrary code by sending a crafted, long HTTP GET request. While not listed on the KEV catalog, exploit modules are publicly available in Metasploit and ExploitDB, indicating a high potential for exploitation, despite a lack of community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
1.4CPE matchmatch criteria
cpe:2.3:a:jasper:httpdx:1.4:*:*:*:*:*:*:*
1.4.3CPE matchmatch criteria
cpe:2.3:a:jasper:httpdx:1.4.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

10.0HIGH

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

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

Exploit Intelligence

EPSS Score
63.91%
Probability of exploitation in next 30 days
EPSS Percentile
99.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
Metasploit: HTTPDX h_handlepeer() Function Buffer Overflow · Oct 8, 2009
ExploitDB: EDB-16799 · Jul 26, 2010
This CVE's current EPSS score of 0.6391 is in the 98th 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

marc.info
Exploit
osvdb.org / 58714
secunia.com / advisories/36991
Vendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/53700
pank4j.com / exploits/httpdxb0f.php
ExploitURL Repurposed
securityfocus.com / archive/1/507042/100/0/threaded
securityfocus.com / archive/1/507073/100/0/threaded
vupen.com / english/advisories/2009/2874
Vendor Advisory