01 Record
CVE-2025-50334
An issue in Technitium DNS Server v.13.5 allows a remote attacker to cause a denial of service via the rate-limiting component
HighPUBLISHEDCNA: mitre
CNA base score7.5 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
02 Description
An issue in Technitium DNS Server v.13.5 allows a remote attacker to cause a denial of service via the rate-limiting component
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 1.06% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 64.7% of scored records. A rank, not a probability.
- NVD base score
- 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-07-15.
- Red Hat severity
- Important. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-01-08 00:00Z9 MO AGO
- Last updated
- 2026-07-15 01:26Z3 MO AGO
- Reserved
- 2025-06-16
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- High (CVSS 7.5)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-770Allocation of Resources Without Limits or ThrottlingBase
- Data version
- 5.2
- Document digest
- 32352a568800916375419ac13016ee0f7910ea7996fb6fe9f2180f8bb5551585
05 Affected products
VendorProductVersionsPlatforms
06 References
- github.comhttps://github.com/TechnitiumSoftware/DnsServer/blob/master/CHANGELOG.md
- github.comhttps://github.com/TechnitiumSoftware/DnsServer/blob/v13.3/DnsServerCore/Dns/DnsServer.cs
- github.comhttps://github.com/FPokerFace/Security-Advisory/tree/main/CVE-2025-50334
- github.comhttps://github.com/TechnitiumSoftware/DnsServer/commit/7229b217238213cc6275eea68a7e17d73df1603e
- access.redhat.comhttps://access.redhat.com/security/cve/CVE-2025-50334
- bugzilla.redhat.comRHBZ#2428058https://bugzilla.redhat.com/show_bug.cgi?id=2428058
- security.access.redhat.comhttps://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-50334.json