CVE-2021-20220
CVSS V2 Medium 5.8
CVSS V3 Medium 4.8
Description
A flaw was found in Undertow. A regression in the fix for CVE-2020-10687 was found. HTTP request smuggling related to CVE-2017-2666 is possible against HTTP/1.x and HTTP/2 due to permitting invalid characters in an HTTP request. This flaw allows an attacker to poison a web-cache, perform an XSS attack, or obtain sensitive information from request other than their own. The highest threat from this vulnerability is to data confidentiality and integrity.
Overview
- CVE ID
- CVE-2021-20220
- Assigner
- secalert@redhat.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-02-23T18:15:13
- Last Modified Date
- 2022-02-22T14:53:04
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:redhat:undertow:*:*:*:*:*:*:*:* | 1 | OR | 2.0.34 | |
| cpe:2.3:a:redhat:undertow:*:*:*:*:*:*:*:* | 1 | OR | 2.1.0 | 2.1.6 |
| cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:linux:*:* | 1 | OR | ||
| cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:* | 1 | OR | ||
| cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:windows:*:* | 1 | OR | ||
| cpe:2.3:a:netapp:oncommand_workflow_automation:-:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:N/C:P/I:P/A:N
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- NONE
- Base Score
- 5.8
- Severity
- MEDIUM
- Exploitability Score
- 8.6
- Impact Score
- 4.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- HIGH
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- LOW
- Availability Impact
- NONE
- Base Score
- 4.8
- Base Severity
- MEDIUM
- Exploitability Score
- 2.2
- Impact Score
- 2.5
References
| Reference URL | Reference Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1923133 | Issue Tracking Vendor Advisory |
| https://security.netapp.com/advisory/ntap-20220210-0013/ | Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-20220 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20220 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:31:58 | Added to TrackCVE | |||
| 2022-12-05 22:38:46 | 2021-02-23T18:15Z | 2021-02-23T18:15:13 | CVE Published Date | updated |
| 2022-12-05 22:38:46 | 2022-02-22T14:53:04 | CVE Modified Date | updated | |
| 2022-12-05 22:38:46 | Analyzed | Vulnerability Status | updated |