SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-33504

Couchbase Server before 7.1.0 has Incorrect Access Control.

MEDIUM 4.9EPSS 0.78%

Does this matter?

Lower severity and a low EPSS score (0.78%). Track it; it rarely justifies an emergency change on its own.

Description

Couchbase Server before 7.1.0 has Incorrect Access Control.

CVSS 3.1
4.9 MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
EPSS
0.78% probability · 56th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Affected
couchbase/couchbase server
Source
cve@mitre.org
EPSS trend
0%3%5%26 October 2026: 0.78%26 October 202626 October 2026

EPSS 0.8% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.