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
Weakness Enumerations
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 |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-22140 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-22140 |
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 |