9.8

CVE-2020-9039: couchbase couchbase_server Incorrect Default Permissions

CVSS: 9.8v3.1CriticalModified
Published 22-02-2020Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-9039 is a critical (CVSS 9.8) Incorrect Default Permissions vulnerability in couchbase couchbase_server. EPSS estimates a 3.94% chance of exploitation in the next 30 days, higher than 90.3% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
3.94%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 22-02-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

Couchbase Server 4.0.0, 4.1.0, 4.1.1, 4.5.0, 4.5.1, 4.6.0 through 4.6.5, 5.0.0, 5.1.1, 5.5.0 and 5.5.1 have Insecure Permissions for the projector and indexer REST endpoints (they allow unauthenticated access).The /settings REST endpoint exposed by the projector process is an endpoint that administrators can use for various tasks such as updating configuration and collecting performance profiles. The endpoint was unauthenticated and has been updated to only allow authenticated users to access these administrative APIs.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

3.94%

Chance of exploitation in the next 30 days

Percentile

90%

Versus all other CVEs

30-day change

0.00 pp

From 3.94% on 21-09-2026

21-09-202621-10-2026
EPSS score
3.94%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Couchbase1 product
  • couchbase_serverEOL≥ 4.6.0, ≤ 4.6.5 | 4.0.0 | 4.1.0 | 4.1.1 | 4.5.0 | 4.5.1 | 5.0.0 | 5.1.1 | 5.5.0 | 5.5.1

1 vendor · 1 product

References

1 links