7.5

CVE-2021-22146: elastic elasticsearch

CVSS: 7.5v3.1HighModified
Published 21-07-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-22146 is a high (CVSS 7.5) vulnerability in elastic elasticsearch. EPSS estimates a 35.78% chance of exploitation in the next 30 days, higher than 98.4% of scored vulnerabilities. 2 public exploits are recorded.

Overall risk
47/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
35.78%
0%100%
High · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2reference, exploit-database

Timeline

  1. 21-07-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

All versions of Elastic Cloud Enterprise has the Elasticsearch “anonymous” user enabled by default in deployed clusters. While in the default setting the anonymous user has no permissions and is unable to successfully query any Elasticsearch APIs, an attacker could leverage the anonymous user to gain insight into certain details of a deployed cluster.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

35.78%

Chance of exploitation in the next 30 days

Percentile

98%

Versus all other CVEs

30-day change

0.00 pp

From 35.78% on 18-09-2026

18-09-202618-10-2026
EPSS score
35.78%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

2 found
  • referenceUnverified

    Exploit Reference (packetstormsecurity.com)

    Maturity: unknown

  • exploit-databasemultipleUnverified

    Elasticsearch ECE 7.13.3 - Anonymous Database Dump

    Maturity: poc

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Elastic1 product

1 vendor · 1 product

References

3 links