CVE-2021-3629: netapp active_iq_unified_manager Uncontrolled Resource Consumption
Vulnerability summary
CVE-2021-3629 is a medium (CVSS 5.9) Uncontrolled Resource Consumption vulnerability in netapp active_iq_unified_manager. EPSS estimates a 1.32% chance of exploitation in the next 30 days, higher than 70.9% of scored vulnerabilities.
Not severe (CVSS 5.9, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 5Timeline
- 24-05-2022PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
A flaw was found in Undertow. A potential security issue in flow control handling by the browser over http/2 may potentially cause overhead or a denial of service in the server. The highest threat from this vulnerability is availability. This flaw affects Undertow versions prior to 2.0.40.Final and prior to 2.2.11.Final.
CVSS metrics
5 scores · 4 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated5.9MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.9MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · MavenEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HDiffers
EPSS trend
Probability
1.32%
Chance of exploitation in the next 30 days
Percentile
71%
Versus all other CVEs
30-day change
No change 0.00 pp
From 1.32% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Redhat5 products
- integrationna
- jboss_enterprise_application_platformna | 7.4 | 7.3
- single_sign-onna
- undertow< 2.0.40 | ≥ 2.2.0, < 2.2.11
- wildfly_core< 17.0
Netapp3 products
Debian1 product
- undertow< 2.2.12-1
Io.undertow1 product
- undertow-core< 2.0.40.Final | ≥ 2.1.0, < 2.2.11.Final
Ubuntu1 product
- undertowAll versions (No fix recorded)
5 vendors · 11 products
References
8 links- bugzilla.redhat.com/show_bug.cgi?id=1977362X Refsource MISCREPORTWEBIssue TrackingThird Party Advisory
