CVE-2021-22135: elastic elasticsearch
Vulnerability summary
CVE-2021-22135 is a medium (CVSS 5.3) vulnerability in elastic elasticsearch. EPSS estimates a 1.34% chance of exploitation in the next 30 days, higher than 70.8% of scored vulnerabilities.
Timeline
- 13-05-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
Elasticsearch versions before 7.11.2 and 6.8.15 contain a document disclosure flaw was found in the Elasticsearch suggester and profile API when Document and Field Level Security are enabled. The suggester and profile API are normally disabled for an index when document level security is enabled on the index. Certain queries are able to enable the profiler and suggester which could lead to disclosing the existence of documents and fields the attacker should not be able to view.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- OSV · MavenEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS trend
Probability
1.34%
Chance of exploitation in the next 30 days
Percentile
71%
Versus all other CVEs
30-day change
+0.18 pp
From 1.16% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Elastic1 product
- elasticsearch< 7.11.2 and 6.8.15 | < 6.8.15 | ≥ 7.11.0, < 7.11.2
Org.elasticsearch1 product
- elasticsearch≥ 7.0.0, < 7.11.2 | < 6.8.15
Ubuntu1 product
- elasticsearchAll versions (No fix recorded)
3 vendors · 3 products
References
6 links- discuss.elastic.co/t/elastic-stack-7-12-0-and-6-8-15-security-update/268125X Refsource MISCWEBVendor Advisory