Security readout for executives and security teams
Plain-English summary
Green Dam Youth Escort 3.17 can crash or run attacker-controlled code when it processes an overly long web address. An attacker would need a user to visit a crafted page. This is mainly a concern for legacy endpoints still running this discontinued filtering software.
Executive priority
Treat this as high priority only if Green Dam 3.17 exists in the environment. The vulnerability allows code execution after user interaction, but exposure should be rare and legacy-focused. Confirm presence before allocating emergency response resources.
Technical view
The URL filtering component has a stack-based buffer overflow from insufficient length validation before copying user-supplied URL data into a fixed buffer. The CVSS 4.0 score is 8.6, with network attack vector, low complexity, no privileges, and user interaction required.
Likely exposure
Exposure is limited to systems running Green Dam Youth Escort version 3.17, especially Windows endpoints where users browse the web with the filtering component active. The bundle does not identify other affected versions or current vendor-supported deployments.
Exploitation context
Public exploit references exist, including Exploit-DB entries and a Metasploit module reference. The source bundle does not show CISA KEV listing or other evidence of active exploitation, so active exploitation should not be assumed.
Researcher notes
The affected scope in the bundle is narrow: Green Dam Youth Escort 3.17 only. CWE-121 matches the described stack overflow. Public exploit artifacts support exploitability, but the bundle does not provide a vendor patch, KEV status, or evidence of active attacks.
Mitigation direction
- Inventory endpoints for Green Dam Youth Escort 3.17.
- Check vendor or trusted advisory guidance for any official fix.
- Remove or disable the software where it is not required.
- Restrict web browsing from legacy systems until exposure is resolved.
- Monitor affected hosts for browser or filtering-process crashes.
Validation and detection
- Confirm installed product name and exact version on candidate endpoints.
- Verify whether the URL filtering component is enabled.
- Review software inventory for unsupported Green Dam deployments.
- Check endpoint telemetry for repeated crashes in related processes.
- Document business owners for any systems that cannot be remediated.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-121: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2009-20008 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 8.6 (4.0)
- Known Exploited
- No
- Published
Vector: 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
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
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——VulnCheckVulnerability scoring details
Base CVSS 4.0 score
8.6HighVector: 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
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://web.archive.org/web/20110426190759/http://www.cse.umich.edu/~jhalderm/pub/gd/CVE reference, VulnCheck · technical-description
- https://en.wikipedia.org/wiki/Green_Dam_Youth_EscortCVE reference, VulnCheck · product
- https://www.exploit-db.com/exploits/8969CVE reference, VulnCheck · exploit
- https://www.exploit-db.com/exploits/8938CVE reference, VulnCheck · exploit
- https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/windows/browser/greendam_url.rbCVE reference, VulnCheck · exploit
- https://www.vulncheck.com/advisories/green-dam-url-processing-buffer-overflowCVE reference, VulnCheck · third-party-advisory
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Stack-based Buffer Overflow
Stack-based Buffer Overflow represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.