CVE-2021-3629
undertow: potential security issue in flow control over HTTP/2 may lead to DOS
Severity Score
5.9
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
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.
Se ha encontrado un fallo en Undertow. Un posible problema de seguridad en el manejo del control de flujo por parte del navegador sobre http/2 puede causar potencialmente una sobrecarga o una denegación de servicio en el servidor. La mayor amenaza de esta vulnerabilidad es la disponibilidad. Este fallo afecta a Undertow versiones anteriores a 2.0.40.Final y 2.2.11.Final
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.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-06-29 CVE Reserved
- 2021-11-16 CVE Published
- 2023-12-15 EPSS Updated
- 2024-08-03 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-400: Uncontrolled Resource Consumption
CAPEC
References (3)
| URL | Tag | Source |
|---|---|---|
| https://security.netapp.com/advisory/ntap-20220729-0008 | Third Party Advisory |
|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1977362 | 2022-09-09 | |
| https://access.redhat.com/security/cve/CVE-2021-3629 | 2022-09-09 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Redhat Search vendor "Redhat" | Jboss Enterprise Application Platform Search vendor "Redhat" for product "Jboss Enterprise Application Platform" | 7.4 Search vendor "Redhat" for product "Jboss Enterprise Application Platform" and version "7.4" | - |
Affected
| in | Redhat Search vendor "Redhat" | Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux" | 7.0 Search vendor "Redhat" for product "Enterprise Linux" and version "7.0" | - |
Safe
|
| Redhat Search vendor "Redhat" | Jboss Enterprise Application Platform Search vendor "Redhat" for product "Jboss Enterprise Application Platform" | 7.4 Search vendor "Redhat" for product "Jboss Enterprise Application Platform" and version "7.4" | - |
Affected
| in | Redhat Search vendor "Redhat" | Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux" | 8.0 Search vendor "Redhat" for product "Enterprise Linux" and version "8.0" | - |
Safe
|
| Redhat Search vendor "Redhat" | Jboss Enterprise Application Platform Search vendor "Redhat" for product "Jboss Enterprise Application Platform" | 7.3 Search vendor "Redhat" for product "Jboss Enterprise Application Platform" and version "7.3" | - |
Affected
| in | Redhat Search vendor "Redhat" | Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux" | 6.0 Search vendor "Redhat" for product "Enterprise Linux" and version "6.0" | - |
Safe
|
| Redhat Search vendor "Redhat" | Jboss Enterprise Application Platform Search vendor "Redhat" for product "Jboss Enterprise Application Platform" | 7.3 Search vendor "Redhat" for product "Jboss Enterprise Application Platform" and version "7.3" | - |
Affected
| in | Redhat Search vendor "Redhat" | Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux" | 7.0 Search vendor "Redhat" for product "Enterprise Linux" and version "7.0" | - |
Safe
|
| Redhat Search vendor "Redhat" | Jboss Enterprise Application Platform Search vendor "Redhat" for product "Jboss Enterprise Application Platform" | 7.3 Search vendor "Redhat" for product "Jboss Enterprise Application Platform" and version "7.3" | - |
Affected
| in | Redhat Search vendor "Redhat" | Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux" | 8.0 Search vendor "Redhat" for product "Enterprise Linux" and version "8.0" | - |
Safe
|
| Redhat Search vendor "Redhat" | Integration Search vendor "Redhat" for product "Integration" | - | text-only |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Jboss Enterprise Application Platform Search vendor "Redhat" for product "Jboss Enterprise Application Platform" | - | text-only |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Single Sign-on Search vendor "Redhat" for product "Single Sign-on" | - | text-only |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Undertow Search vendor "Redhat" for product "Undertow" | < 2.0.40 Search vendor "Redhat" for product "Undertow" and version " < 2.0.40" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Undertow Search vendor "Redhat" for product "Undertow" | >= 2.2.0 < 2.2.11 Search vendor "Redhat" for product "Undertow" and version " >= 2.2.0 < 2.2.11" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Wildfly Core Search vendor "Redhat" for product "Wildfly Core" | < 17.0 Search vendor "Redhat" for product "Wildfly Core" and version " < 17.0" | - |
Affected
| ||||||
| Netapp Search vendor "Netapp" | Active Iq Unified Manager Search vendor "Netapp" for product "Active Iq Unified Manager" | - | linux |
Affected
| ||||||
| Netapp Search vendor "Netapp" | Active Iq Unified Manager Search vendor "Netapp" for product "Active Iq Unified Manager" | - | vmware_vsphere |
Affected
| ||||||
| Netapp Search vendor "Netapp" | Active Iq Unified Manager Search vendor "Netapp" for product "Active Iq Unified Manager" | - | windows |
Affected
| ||||||
| Netapp Search vendor "Netapp" | Oncommand Insight Search vendor "Netapp" for product "Oncommand Insight" | - | - |
Affected
| ||||||
| Netapp Search vendor "Netapp" | Oncommand Workflow Automation Search vendor "Netapp" for product "Oncommand Workflow Automation" | - | - |
Affected
| ||||||