CVE-2021-37936
mediumpriority · track · 22EPSS 0.005 · 43 %ileDEEUUSEPSS · scored 2026-10-27
It was discovered that Kibana was not sanitizing document fields containing HTML snippets. Using this vulnerability, an attacker with the ability to write documents to an elasticsearch index could inject HTML. When the Discover app highlighted a search term containing the HTML, it would be rendered for the user.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (11)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2022-0029Elasticsearch und Kibana: Mehrere SchwachstellenDeutsch2021-09-01csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in Elasticsearch und Kibana ausnutzen, um beliebigen Programmcode auszuführen, um Informationen offenzulegen, um einen Cross-Site Scripting Angriff durchzuführen und um Administratorrechte zu erlangen.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (9)
External citations — patches, advisories, analysis.
- https://access.redhat.com/security/cve/cve-2021-37936cnnvd
- https://cxsecurity.com/cveshow/CVE-2021-37936/cnnvd
- https://discuss.elastic.co/t/elastic-stack-7-14-1-security-update/283077cnnvd
- https://www.elastic.co/cn/community/security/Patchcnnvd
- https://www.elastic.co/community/security/cnnvd
- https://discuss.elastic.co/t/elastic-stack-7-14-1-security-update/283077enisa_euvd
- https://www.elastic.co/community/security/enisa_euvd
- https://discuss.elastic.co/t/elastic-stack-7-14-1-security-update/283077MitigationVendor Advisorynvd
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