MEDIUM
CVE-2008-5871
CWE-255Published: January 8, 2009· Updated: Jun 16, 2026
6.4
CVSS v3.1
Official Description
Nortel Multimedia Communication Server (MSC) 5100 3.0.13 does not verify credentials during call placement, which allows remote attackers to spoof and redirect VoIP calls, possibly related to the snoop command.
Technical Analysis
CVE-2008-5871 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
IntegrityP
AvailabilityP
AV:N/AC:L/Au:N/C:N/I:P/A:P
Affected Vendors & Products
nortel1 product(s)
multimedia communication server 5100
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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Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (12)
→
http://secunia.com/advisories/32203Vendor Advisory
→
http://secunia.com/advisories/32203Vendor Advisory
Quick Facts
CVE IDCVE-2008-5871
CVSS Score6.4 / 10
SeverityMEDIUM
WeaknessCWE-255
CISA KEVNo
Affected1 vendor(s)
PublishedJan 8, 2009
Related CVEs (CWE-255)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2008-5871 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.