HIGH
CVE-2008-6576
NVD-CWE-noinfoPublished: April 1, 2009· Updated: Jun 16, 2026
7.8
CVSS v3.1
Official Description
Unspecified vulnerability in the "session limitation technique" in the FTP service on Nortel Communications Server 1000 (CS1K) 4.50.x, when running on VGMC or signaling nodes, allows remote attackers to cause a denial of service (resource exhaustion and failed updates) via unknown vectors that causes consumption of all available sessions.
Technical Analysis
CVE-2008-6576 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
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 VectorNetwork
Attack ComplexityLow
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityNone
IntegrityNone
AvailabilityC
AV:N/AC:L/Au:N/C:N/I:N/A:C
Affected Vendors & Products
nortel1 product(s)
cs1000
Source: NVD CPE · 1 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official NIST entry
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Official Patches & Advisories
All References (14)
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Quick Facts
CVE IDCVE-2008-6576
CVSS Score7.8 / 10
SeverityHIGH
WeaknessNVD-CWE-noinfo
CISA KEVNo
Affected1 vendor(s)
PublishedApr 1, 2009
Related CVEs (NVD-CWE-noinfo)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2008-6576 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.COM. CVE data is provided under the NVD usage policy.