CVE-2021-3690
Undertow WebSocket Buffer Leak Denial of Service Vulnerability
Description
A flaw was found in Undertow. A buffer leak on the incoming WebSocket PONG message may lead to memory exhaustion. This flaw allows an attacker to cause a denial of service. The highest threat from this vulnerability is availability.
INFO
Published Date :
Aug. 23, 2022, 4:15 p.m.
Last Modified :
July 7, 2023, 7:23 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2021-3690 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2021-3690
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-3690.
| URL | Resource |
|---|---|
| https://access.redhat.com/security/cve/CVE-2021-3690 | Vendor Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=1991299 | Issue Tracking Vendor Advisory |
| https://github.com/undertow-io/undertow/commit/c7e84a0b7efced38506d7d1dfea5902366973877 | Patch Third Party Advisory |
| https://issues.redhat.com/browse/UNDERTOW-1935 | Exploit Issue Tracking Mitigation Vendor Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
None
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-3690 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-3690 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Reanalysis by [email protected]
Jul. 07, 2023
Action Type Old Value New Value Removed CWE NIST CWE-400 Added CWE NIST CWE-401 -
Initial Analysis by [email protected]
Aug. 27, 2022
Action Type Old Value New Value Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://access.redhat.com/security/cve/CVE-2021-3690 No Types Assigned https://access.redhat.com/security/cve/CVE-2021-3690 Vendor Advisory Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=1991299 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=1991299 Issue Tracking, Vendor Advisory Changed Reference Type https://github.com/undertow-io/undertow/commit/c7e84a0b7efced38506d7d1dfea5902366973877 No Types Assigned https://github.com/undertow-io/undertow/commit/c7e84a0b7efced38506d7d1dfea5902366973877 Patch, Third Party Advisory Changed Reference Type https://issues.redhat.com/browse/UNDERTOW-1935 No Types Assigned https://issues.redhat.com/browse/UNDERTOW-1935 Exploit, Issue Tracking, Mitigation, Vendor Advisory Added CWE NIST CWE-400 Added CPE Configuration OR *cpe:2.3:a:redhat:fuse:1.0:*:*:*:*:*:*:* *cpe:2.3:a:redhat:integration_camel_k:-:*:*:*:*:*:*:* *cpe:2.3:a:redhat:integration_camel_quarkus:-:*:*:*:*:*:*:* *cpe:2.3:a:redhat:jboss_enterprise_application_platform:-:*:*:*:text-only:*:*:* *cpe:2.3:a:redhat:openshift_application_runtimes:-:*:*:*:text-only:*:*:* *cpe:2.3:a:redhat:single_sign-on:-:*:*:*:text-only:*:*:* *cpe:2.3:a:redhat:undertow:*:*:*:*:*:*:*:* versions up to (excluding) 2.0.40 *cpe:2.3:a:redhat:undertow:*:*:*:*:*:*:*:* versions from (including) 2.1.0 up to (excluding) 2.2.10 Added CPE Configuration AND OR *cpe:2.3:a:redhat:jboss_enterprise_application_platform:7.3:*:*:*:*:*:*:* OR cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:a:redhat:jboss_enterprise_application_platform:7.4:*:*:*:*:*:*:* OR cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-3690 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-3690
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.15 }} 0.02%
score
0.52067
percentile