Search/CVE-2020-12662
● CVE — High

CVE-2020-12662

Vendordebian, fedoraproject, canonical, opensuse, nlnetlabsProductdebian linux, fedora, ubuntu linux, leap, unboundDiscoveredMay 19, 2020UpdatedNov 21, 2024

Unbound before 1.10.1 has Insufficient Control of Network Message Volume, aka an "NXNSAttack" issue. This is triggered by random subdomains in the NSDNAME in NS records.

CVSS v3.1
7.5 HIGH
EPSS
3.20%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
Related IOCs
0
seen in the same coverage
EPSS Trend
Aug 16, 2026 → Sep 19, 2026
▲ 0.03pp
3.17% → 3.20% over 2 tracked changes
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionNONE
ScopeUNCHANGED
ConfidentialityNONE
IntegrityNONE
AvailabilityHIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Connections
6 relationships
Timeline
disclosure → media coverage
May 19, 2020
Disclosure — published as a CVE record. · last revised by NVD Nov 21, 2024