CVE-2025-59023
CVE-2025-59023 is a high-severity vulnerability in Powerdns Recursor with a CVSS 3.x base score of 8.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-294.
Key facts
- Severity: High (CVSS 3.x base score 8.2)
- EPSS exploit prediction: 0% (18th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-207361
- Weakness: CWE-294
- Affected product: Powerdns Recursor
- Published:
- Last modified:
Description
Crafted delegations or IP fragments can poison cached delegations in Recursor.
Frequently asked questions
- What is CVE-2025-59023?
- Crafted delegations or IP fragments can poison cached delegations in Recursor.
- How severe is CVE-2025-59023?
- CVE-2025-59023 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability low.
- Is CVE-2025-59023 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-59023?
- CVE-2025-59023 affects Powerdns Recursor. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2025-59023?
- 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.
- Does CVE-2025-59023 have an EU (EUVD) identifier?
- Yes. CVE-2025-59023 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-207361.
- When was CVE-2025-59023 published?
- CVE-2025-59023 was published on 2026-02-09 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:powerdns:recursor:*:*:*:*:*:*:*:*
More vulnerabilities in Powerdns Recursor
- CVE-2009-4009 — Critical (CVSS 10.0): Buffer overflow in PowerDNS Recursor before 3.1.7.2 allows remote attackers to cause a denial of service (daemon crash)…
- CVE-2020-10030 — High (CVSS 8.8): An issue has been found in PowerDNS Recursor 4.1.0 up to and including 4.3.0. It allows an attacker (with enough…
- CVE-2019-3806 — High (CVSS 8.1): An issue has been found in PowerDNS Recursor versions after 4.1.3 before 4.1.9 where Lua hooks are not properly applied…
- CVE-2015-5470 — High (CVSS 7.8): The label decompression functionality in PowerDNS Recursor before 3.6.4 and 3.7.x before 3.7.3 and Authoritative (Auth)…
- CVE-2015-1868 — High (CVSS 7.8): The label decompression functionality in PowerDNS Recursor 3.5.x, 3.6.x before 3.6.3, and 3.7.x before 3.7.2 and…
- CVE-2025-59030 — High (CVSS 7.5): An attacker can trigger the removal of cached records by sending a NOTIFY query over TCP.
All CVEs affecting Powerdns Recursor →
Other CWE-294 (Authentication Bypass by Capture-replay) vulnerabilities
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- CVE-2025-65552 — Critical (CVSS 9.8): D3D Wi-Fi Home Security System ZX-G12 v2.1.1 is vulnerable to RF replay attacks on the 433 MHz sensor communication…
- CVE-2024-38438 — Critical (CVSS 9.8): D-Link - CWE-294: Authentication Bypass by Capture-replay
Browse all CWE-294 (Authentication Bypass by Capture-replay) vulnerabilities →