An issue was discovered in Technitium through 11.0.3. It enables attackers to conduct a DNS cache poisoning attack and inject fake responses within 1 second, which is impactful.
Conclusion & alert: CVE-2023-28457 is rated Moderate Risk (42.8/100): CVSS High severity, with low exploitation likelihood (EPSS 0.15%). 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 | 2025-11-21 | 0.09% | 0.15% | +0.06% |
| 2 | 2025-11-18 | 0.15% | 0.09% | -0.06% |
| 3 | 2025-10-27 | — | 0.15% | — |
Full EPSS history (5 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| technitium | dnsserver | <= 11.0.3 | cpe:2.3:a:technitium:dnsserver:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://gist.github.com/idealeer/89947ca07836fd0f7e9761198ca9a0f3 | Third Party Advisory |
| https://technitium.com/dns/ | Product |