The "/cgi-bin/go" page in MAIL2000 through version 6.0 and 7.0 has a cross-site scripting (XSS) vulnerability, allowing execution of arbitrary code via ACTION parameter without authentication. The code can executed for any user accessing the page. This vulnerability affects many mail system of governments, organizations, companies and universities.
Conclusion & alert: CVE-2019-15071 is rated Moderate Risk (50.4/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.87%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
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 | 2026-03-15 | 1.03% | 0.87% | -0.16% |
| 2 | 2025-03-30 | 0.69% | 1.03% | +0.34% |
| 3 | 2025-03-29 | — | 0.69% | — |
Full EPSS history (11 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.1 | 3.1 | MEDIUM |
|
2.8 | 2.7 | [email protected] |
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| URL | Tags |
|---|---|
| https://gist.github.com/chtsecurity/21119b393640bea1d010ab9e3bee216d | Third Party Advisory |
| https://gist.github.com/tonykuo76/95638395e0c83e68dbd3db0fa0184e27 | Third Party Advisory |
| https://tvn.twcert.org.tw/taiwanvn/TVN-201909001 | Third Party Advisory |
| https://www.chtsecurity.com/download/5011077112c76fb73f82d7eeb2b41b3bcd06c5037be242fec7b185603ca52dc1.txt | Third Party Advisory |
| https://www.openfind.com.tw/taiwan/download/m2k/patch/Openfind_OF-ISAC-19-004.pdf | |
| https://www.openfind.com.tw/taiwan/download/m2k/patch/Openfind_OF-ISAC-19-005.pdf | |
| https://www.openfind.com.tw/taiwan/resource.html | Product Vendor Advisory |
| https://www.twcert.org.tw/en/cp-128-3085-45bda-2.html | Third Party Advisory |