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.
Conclusion & alert: CVE-2006-0189 is rated High Exploit Risk (77.2/100): CVSS High severity, with high exploitation likelihood (EPSS 42.55%, 97th percentile). Core evidence: 3 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 1414 | exploit_db | edb | 2006-01-12 | Exploit-DB ↗ |
| 1413 | exploit_db | edb | 2006-01-12 | Exploit-DB ↗ |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-03-30 | 44.35% | 42.55% | -1.80% |
| 2 | 2025-03-29 | 42.55% | 44.35% | +1.80% |
| 3 | 2025-03-19 | — | 42.55% | — |
Full EPSS history (8 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
: This is the vendor provided solution: "eStara has released Softphone version 3.0.1.47 to resolve the buffer overflow demonstrated in parsing SDP with long "a=" lines. Licensed customers can download a new version via the email sent to them with purchase, customers testing may go back to http://www.estara.com/softphone/ to obtain a new free trial. Version information can be gathered by going to Help->About. eStara highly recommends all customers upgrade to avoid this issue. If there's further questions please email us: [email protected]. eStara would like to thank ZwelL for bringing the issue to our attention."