CVE-2026-45557Medium
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Technitium DNS Server aggressively tries to fetch missing RRSIG records or mismatched DNSKEY records. An attacker in control of a domain ca…
CVSS
6.9
Medium
EPSS
0.00
p15
Published
2026-01-01
Updated
2026-01-01
Description
Technitium DNS Server aggressively tries to fetch missing RRSIG records or mismatched DNSKEY records. An attacker in control of a domain can cause a vulnerable system to generate excessive network traffic. Fixed in 15.0.
Tags · CWE
Pre-auth
CWE-405
CWE-405ClassIncomplete
Asymmetric Resource Consumption (Amplification)
The product does not properly control situations in which an adversary can cause the product to consume or produce excessive resources without requiring the adversary to invest equivalent work or otherwise prove authorization, i.e., the adversary's influence is "asymmetric."
https://cwe.mitre.org/data/definitions/405.html →Open in CWE collection →CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Timeline
2026-01-01
Published
2026-01-01
Updated
CVSS 3.1 breakdown
Attack Vector
AV: N
Network (N)
Attack Complexity
AC: L
Low (L)
Attack Requirements
AT: N
None
Privileges Required
PR: N
None (N)
User Interaction
UI: N
None (N)
Vulnerable System Confidentiality
VC: N
None (N)
Vulnerable System Integrity
VI: N
None (N)
Vulnerable System Availability
VA: L
Low (L)
Subsequent System Confidentiality
SC: N
None (N)
Subsequent System Integrity
SI: N
None (N)
Subsequent System Availability
SA: L
Low (L)
Exploit Code Maturity
E: X
Not Defined
Confidentiality Requirement
CR: X
Not Defined
Integrity Requirement
IR: X
Not Defined
Availability Requirement
AR: X
Not Defined
Modified Attack Vector
MAV: X
Not Defined
Modified Attack Complexity
MAC: X
Not Defined
Modified Attack Requirements
MAT: X
Not Defined
Modified Privileges Required
MPR: X
Not Defined
Modified User Interaction
MUI: X
Not Defined
Modified Vulnerable System Confidentiality
MVC: X
Not Defined
Modified Vulnerable System Integrity
MVI: X
Not Defined
Modified Vulnerable System Availability
MVA: X
Not Defined
Modified Subsequent System Confidentiality
MSC: X
Not Defined
Modified Subsequent System Integrity
MSI: X
Not Defined
Modified Subsequent System Availability
MSA: X
Not Defined
s
S: X
X
au
AU: X
X
r
R: X
X
v
V: X
X
re
RE: X
X
u
U: X
X
Exploit indicators
EPSS
0.000 · p15
Known exploited (KEV)
No
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