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CVE-2009-3878

26
FAUCET Score

CVE-2009-3878 describes a buffer overflow vulnerability in Sun Java System Web Server 7.0 Update 6. This flaw carries a critical CVSS score of 9.3, indicating a high-impact remote attack vector with complete compromise of confidentiality, integrity, and availability. While the initial disclosure lacked actionable details, its assignment was based on the reliability of the VulnDisco Pack author, who demonstrated the issue. Despite its severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
7.0CPE matchmatch criteria
cpe:2.3:a:sun:java_system_web_server:7.0:update_6:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

9.3HIGH

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

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.45%
Probability of exploitation in next 30 days
EPSS Percentile
82.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0245 is in the 40th percentile among its peer group of 8,914 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 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

intevydis.com / vd-list.shtml
secunia.com / advisories/37115
Vendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/54065
h-online.com / security/news/item/Alleged-critical-vulnerability-in-Sun-Java-System-Web-Server-839598.html
intevydis.com / blog
osvdb.org / 59497
vupen.com / english/advisories/2009/3024
Vendor Advisory