PT-2021-19531 · Unknown · Open Distro For Elasticsearch

Rotem Bar · Published 2021-05-06 · Updated 2021-05-18 · CVE-2021-31828

Positive Technologies (AI Summary)

CVSS v3.1

7.1

High

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N

Name of the Vulnerable Software and Affected Versions Open Distro for Elasticsearch versions prior to 1.13.1.0

Description The issue allows an existing privileged user to enumerate listening services or interact with configured resources via HTTP requests, exceeding the intended scope of the Alerting plugin.

Recommendations For versions prior to 1.13.1.0, update to version 1.13.1.0 or later to resolve the issue. As a temporary workaround, consider restricting access to the Alerting plugin to minimize the risk of exploitation.

Fix

SSRF

Weakness Enumeration

CWE-918

Related Identifiers

CVE-2021-31828

Affected Products

Open Distro For Elasticsearch

References · 7

• https://github.com/opendistro-for-elasticsearch/alerting/pull/353 · Patch
• https://osv.dev/vulnerability/CVE-2021-31828 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-31828 · Security Note
• https://t.me/cybersecuritytechnologies/3350 · Telegram Post
• https://t.me/cvenotify/14175 · Telegram Post
• https://opendistro.github.io/for-elasticsearch-docs/version-history · Note
• https://rotem-bar.com/ssrf-in-open-distro-for-elasticsearch-cve-2021-31828 · Note