Vulnerability in NetApp Active Iq Unified Manager
CVE-2021-20220
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.
Vulnerability class: HTTP Request Smuggling
EPSS: 0.011 (62.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N.
Affected products
- Netapp Active_iq_unified_manager
- Netapp Oncommand_workflow_automation
- Redhat Undertow
- N/a Undertow — versions Undertow 2.2.0.Final, Undertow 2.1.6.Final, Undertow 2.0.34.Final
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (x_refsource_MISC, Issue Tracking, Vendor Advisory)
- secalert@redhat.com (x_refsource_CONFIRM, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-20220?
- CVE-2021-20220 is a medium-severity vulnerability in NetApp Active Iq Unified Manager, classified under Inconsistent Interpretation of HTTP Requests (HTTP Request/Response Smuggling). CVSS score: 4.8/10. Published 2021-02-23.
- How severe is CVE-2021-20220?
- Medium severity. CVSS v3 base score is 4.8 out of 10.
- Is CVE-2021-20220 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.