CVE-2005-4466

Interaction Sip Proxy vulnerability

CVSS

7.5

EPSS

12.9%

EPSS pct

96th

Exploited

No known

Heap-based buffer overflow in the SIPParser function in i3sipmsg.dll in Interaction SIP Proxy before 3.0.011 allows remote attackers to cause a denial of service and possibly execute arbitrary code via a REGISTER request with a SPI version number that contains a large number of space or tab characters.

Affected vendor

Interactive Intelligence

Affected product

Interaction Sip Proxy

CVSS vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Published

2005-12-22

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to partial impact to confidentiality, partial impact to integrity, partial impact to availability.

Its EPSS score of 12.9% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 96% of all scored CVEs.

Check your external exposure to CVE-2005-4466

Confirm whether Interactive Intelligence Interaction Sip Proxy is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2005-4466.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2005-4466

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2005-4466 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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