Vulnerability in Powerdns Dnsdist
CVE-2025-30193
In some circumstances, when DNSdist is configured to allow an unlimited number of queries on a single, incoming TCP connection from a client, an attacker can cause a denial of service by crafting a TCP exchange that triggers an exhaustion…
EPSS: 0.002 (35.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Powerdns Dnsdist — versions 1.9.10
Weakness classification (CWE)
Public proof-of-concept exploits
References
Frequently asked questions
- What is CVE-2025-30193?
- CVE-2025-30193 is a high-severity vulnerability in Powerdns Dnsdist, classified under Uncontrolled Recursion. CVSS score: 7.5/10. Published 2025-05-20.
- How severe is CVE-2025-30193?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2025-30193 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.