5.8

CVE-2021-20220: netapp active_iq_unified_manager

Modified
AliasesUBUNTU-CVE-2021-20220DEBIAN-CVE-2021-20220GHSA-qjwc-v72v-fq6r
Published 23-02-2021Last modified 03-08-2024

Vulnerability summary

CVE-2021-20220 is a medium (CVSS 5.8) vulnerability in netapp active_iq_unified_manager. EPSS estimates a 1.20% chance of exploitation in the next 30 days, higher than 68.2% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 4.8, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.8/10
010
Medium · v2.0 (NVD)
EPSS score
1.20%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 3
RHSA-2021:0872RHSA-2021:0873RHSA-2021:0874

Timeline

  1. 23-02-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

1.20%

Chance of exploitation in the next 30 days

Percentile

68%

Versus all other CVEs

30-day change

No change 0.00 pp

From 1.20% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Netapp2 products
Debian1 product
  • undertow< 2.2.0-1
Io.undertow1 product
  • undertow-core≥ 2.1.0, < 2.1.6 | < 2.0.34
Redhat1 product
Ubuntu1 product
  • undertowAll versions (No fix recorded)

5 vendors · 6 products

References

8 links