CVE-2008-4999

Unistim Ip Phone vulnerability

CVSS

7.8

EPSS

3.8%

EPSS pct

89th

Exploited

No known

Nortel Networks UNIStim IP Phone 0604DAS allows remote attackers to cause a denial of service (crash) via a long ping packet ("ping of death"). NOTE: this issue could not be reproduced by a third party, who tested it on 0604DAD. In addition, the original researcher was not able to reliably reproduce the issue.

Affected vendor

Nortel

Affected product

Unistim Ip Phone

CVSS vector

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

Weakness type (CWE)

CWE-20 — Improper Input Validation

Published

2008-11-07

Risk analysis

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

Its EPSS score of 3.8% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 89% of all scored CVEs.

Check your external exposure to CVE-2008-4999

Confirm whether Nortel Unistim Ip Phone is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2008-4999.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2008-4999

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