CVE-2008-5121
Published Nov 18, 2008 · Updated Oct 23, 2026
Original summary
Normalized public record · Updated Oct 23, 2026
dne2000.sys in Citrix Deterministic Network Enhancer (DNE) 2.21.7.233 through 3.21.7.17464, as used in (1) Cisco VPN Client, (2) Blue Coat WinProxy, and (3) SafeNet SoftRemote and HighAssurance Remote, allows local users to gain privileges via a crafted DNE_IOCTL DeviceIoControl request to the \\.\DNE device interface.
Publisher and source text is retained separately from QFinch interpretation.
QFinch assessment
dne2000.sys in Citrix Deterministic Network Enhancer (DNE) 2.21.7.233 through 3.21.7.17464, as used in (1) Cisco VPN Client, (2) Blue Coat WinProxy, and (3) SafeNet SoftRemote and HighAssurance Remote, allows local users to gain privileges via a crafted DNE_IOCTL DeviceIoControl request to the \\.\DNE device interface.
Evidence: public source recordsAffected products
| Affected package, product or range | Fix status |
|---|---|
| Consult the referenced vendor advisory for affected versions. | Consult source advisory |
Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.
Remediation
Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.
- Confirm the affected product and reachable code path exist in your environment.
- Apply the vendor-supported patch or mitigation from the primary advisory.
- Rescan the exact deployed revision and retain verification evidence.
Evidence coverage
- SSVC priority
- LOW
- Confidence
- 30%
- Aliases
- None reported
Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.
Sources and record history
- VU#858993 ↗
- ADV-2008-1867 ↗
- 5837 ↗
- ADV-2008-1868 ↗
- www.digit-labs.org ↗
- 30728 ↗
- support.citrix.com ↗
- 29772 ↗
- 4600 ↗
- ADV-2008-1865 ↗
- 30753 ↗
- multiple-vendors-dne2000-priv-escalation(43153) ↗
Record history
Published Nov 18, 2008 · Last refreshed Oct 23, 2026