CVE-2021-22132: elastic elasticsearch Insufficiently Protected Credentials
Vulnerability summary
CVE-2021-22132 is a medium (CVSS 4.8) Insufficiently Protected Credentials vulnerability in elastic elasticsearch. EPSS estimates a 1.22% chance of exploitation in the next 30 days, higher than 68.2% of scored vulnerabilities.
Timeline
- 14-01-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
Elasticsearch versions 7.7.0 to 7.10.1 contain an information disclosure flaw in the async search API. Users who execute an async search will improperly store the HTTP headers. An Elasticsearch user with the ability to read the .tasks index could obtain sensitive request headers of other users in the cluster. This issue is fixed in Elasticsearch 7.10.2
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated4.8MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N
- OSV · MavenEcosystem advisory · calculated4.8MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N
EPSS trend
Probability
1.22%
Chance of exploitation in the next 30 days
Percentile
68%
Versus all other CVEs
30-day change
-0.02 pp
From 1.24% on 19-09-2026
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
- elasticsearchEOL7.7.0 to 7.10.1 | ≥ 7.7.0, < 7.10.2
Oracle1 product
Org.elasticsearch1 product
- elasticsearch≥ 7.7.0, < 7.10.2
Ubuntu1 product
- elasticsearchAll versions (No fix recorded)
4 vendors · 4 products
References
7 links- discuss.elastic.co/t/elasticsearch-7-10-2-security-update/261164X Refsource MISCREPORTWEBRelease NotesVendor Advisory