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CVE-2009-20008

39
FAUCET Score

CVE-2009-20008 describes a stack-based buffer overflow in Green Dam Youth Escort version 3.17. This vulnerability allows a remote attacker to achieve arbitrary code execution by enticing a user to visit a specially crafted webpage containing an overly long URL, which the URL filtering component fails to properly validate. With a CVSS score of 8.6 (HIGH), the flaw is easily exploitable over the network with low attack complexity and user interaction, leading to high impact on confidentiality, integrity, and availability. While not listed in CISA KEV, exploit modules are publicly available in Metasploit, and the vulnerability has garnered community discussion, indicating potential for exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
Zhengzhou Jinhui Computer System Engineering Co. Ltd. ; Beijing Dazheng Human Language Technology AcademyGreen Dam Youth Escort
>= 0, < 3.174CNA affecteddefault unaffected

CVSS Data

CVSS version used by this source: 4.0

8.6HIGH

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
ACTIVE
VS Confidentiality
HIGH
VS Integrity
HIGH
VS Availability
HIGH
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.85%
Probability of exploitation in next 30 days
EPSS Percentile
54.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Metasploit: Green Dam URL Processing Buffer Overflow · Jun 11, 2009
This CVE's current EPSS score of 0.0085 is in the 56th percentile among its peer group of 14,852 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

en.wikipedia.org / wiki/Green_Dam_Youth_Escort
raw.githubusercontent.com / rapid7/metasploit-framework/master/modules/exploits/windows/browser/greendam_url.rb
web.archive.org / web/20110426190759/http://www.cse.umich.edu/~jhalderm/pub/gd
exploit-db.com / exploits/8938
exploit-db.com / exploits/8969
vulncheck.com / advisories/green-dam-url-processing-buffer-overflow