SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityDeferred

CVE-2026-33612

A malicious authoritative server can send a crafted zone via the ZoneToCache function that leads to cache poisoning.

HIGH 7.5EPSS 0.11%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.11%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

A malicious authoritative server can send a crafted zone via the ZoneToCache function that leads to cache poisoning.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:L
EPSS
0.11% probability · 2th percentile
CISA KEV
Not listed
Weakness
CWE-349
Source
security@open-xchange.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.