CVE-2021-22140

CVSS V2 Medium 5 CVSS V3 High 7.5
Description
Elastic App Search versions after 7.11.0 and before 7.12.0 contain an XML External Entity Injection issue (XXE) in the App Search web crawler beta feature. Using this vector, an attacker whose website is being crawled by App Search could craft a malicious sitemap.xml to traverse the filesystem of the host running the instance and obtain sensitive files.
Overview
  • CVE ID
  • CVE-2021-22140
  • Assigner
  • bressers@elastic.co
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-05-13T18:15:09
  • Last Modified Date
  • 2021-05-21T18:09:36
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:elastic:elastic_app_search:*:*:*:*:*:*:*:* 1 OR 7.11.0 7.12.0
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:P/I:N/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • NONE
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://discuss.elastic.co/t/7-12-1-security-update/271433 Vendor Advisory
History
Created Old Value New Value Data Type Notes
2022-05-10 16:15:16 Added to TrackCVE
2022-12-05 02:14:53 security@elastic.co bressers@elastic.co CVE Assigner updated
2022-12-05 02:14:53 2021-05-13T18:15Z 2021-05-13T18:15:09 CVE Published Date updated
2022-12-05 02:14:53 2021-05-21T18:09:36 CVE Modified Date updated
2022-12-05 02:14:53 Analyzed Vulnerability Status updated