CVE-2006-0189

CVE-2006-0189 is a high-severity vulnerability in Estara Softphone with a CVSS 2.0 base score of 7.5. Its EPSS exploit-prediction score of 16% places it in the 96th percentile, indicating an elevated likelihood of exploitation.

Key facts

Description

Buffer overflow in eStara Softphone 3.0.1.14 through 3.0.1.46 allows remote attackers to execute arbitrary code via a long attribute (aka "a") field in the SDP data of a SIP packet on UDP port 5060.

Frequently asked questions

What is CVE-2006-0189?
Buffer overflow in eStara Softphone 3.0.1.14 through 3.0.1.46 allows remote attackers to execute arbitrary code via a long attribute (aka "a") field in the SDP data of a SIP packet on UDP port 5060.
How severe is CVE-2006-0189?
CVE-2006-0189 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2006-0189 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 16% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-0189?
CVE-2006-0189 primarily affects Estara Softphone. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-0189?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2006-0189 published?
CVE-2006-0189 was published on 2006-01-13 and last updated on 2026-06-16.

References

Affected products (2)

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