CVE-2009-4643
CVE-2009-4643 is a critical-severity vulnerability in Juniper Odyssey Access Client with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.
Key facts
- Severity: Critical (CVSS 2.0 base score 10.0)
- EPSS exploit prediction: 4% (89th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-119
- Affected product: Juniper Odyssey Access Client
- Published:
- Last modified:
Description
Stack-based buffer overflow in dsInstallerService.dll in the Juniper Installer Service, as used in Juniper Odyssey Access Client 4.72.11421.0 and other products, allows remote attackers to execute arbitrary code via a long string in a malformed DSSETUPSERVICE_CMD_UNINSTALL command to the NeoterisSetupService named pipe.
Frequently asked questions
- What is CVE-2009-4643?
- Stack-based buffer overflow in dsInstallerService.dll in the Juniper Installer Service, as used in Juniper Odyssey Access Client 4.72.11421.0 and other products, allows remote attackers to execute arbitrary code via a long string in a malformed DSSETUPSERVICE_CMD_UNINSTALL command to the NeoterisSetupService named pipe.
- How severe is CVE-2009-4643?
- CVE-2009-4643 has a CVSS 2.0 base score of 10.0, rated critical severity.
- Is CVE-2009-4643 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2009-4643?
- CVE-2009-4643 affects Juniper Odyssey Access Client. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2009-4643?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2009-4643 published?
- CVE-2009-4643 was published on 2010-02-15 and last updated on 2026-06-16.
References
- http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=850
- https://www.juniper.net/alerts/viewalert.jsp?actionBtn=Search&txtAlertNumber=PSN-2009-10-540&viewMode=view
Affected products (1)
- cpe:2.3:a:juniper:odyssey_access_client:4.72.11421.0:*:*:*:*:*:*:*
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