Vulnerability in Elastic Elasticsearch
CVE-2021-22132
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
EPSS: 0.012 (66.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N.
Affected products
- Elastic Elasticsearch — versions 7.7.0 to 7.10.1
- Oracle Communications_cloud_native_core_automated_test_suite — versions 1.8.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@elastic.co (x_refsource_MISC, Release Notes, Vendor Advisory)
- security@elastic.co (Patch, Third Party Advisory, x_refsource_MISC)
- security@elastic.co (x_refsource_CONFIRM, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-22132?
- CVE-2021-22132 is a medium-severity vulnerability in Elastic Elasticsearch, classified under Insufficiently Protected Credentials. CVSS score: 4.8/10. Published 2021-01-14.
- How severe is CVE-2021-22132?
- Medium severity. CVSS v3 base score is 4.8 out of 10.
- Is CVE-2021-22132 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.