MEDIUM
CVE-2006-5396
NVD-CWE-OtherPublished: October 18, 2006· Updated: Jun 16, 2026
4.9
CVSS v3.1
Official Description
The tcp_fuse_rcv_drain function in the Sun Solaris 10 kernel before 20061017, when TCP Fusion is enabled, allows local users to cause a denial of service (system crash) via a TCP loopback connection with both endpoints on the same system.
Technical Analysis
CVE-2006-5396 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityNone
IntegrityNone
AvailabilityC
AV:L/AC:L/Au:N/C:N/I:N/A:C
Affected Vendors & Products
sun1 product(s)
solaris
Source: NVD CPE · 1 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
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GitHub PoC Search
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Rapid7 / Metasploit
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PacketStorm
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NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
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All References (14)
Quick Facts
CVE IDCVE-2006-5396
CVSS Score4.9 / 10
SeverityMEDIUM
WeaknessNVD-CWE-Other
CISA KEVNo
Affected1 vendor(s)
PublishedOct 18, 2006
Related CVEs (NVD-CWE-Other)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2006-5396 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.