CVE-2021-3690
Aliases:GHSA-fj7c-vg2v-ccrm
Advisory lineage Upstream: 0 Downstream: 10
Modified
Published: 23 Aug 2022, 15:50
Last modified:03 Aug 2024, 17:01
Vulnerability Summary
Overall Risk (default)
medium
40/100 CVSS Score
7.5 HIGH
v3.1 (nvd)
EPSS Score
0.28% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
1 found
Dark Web
Not detected
Timeline
23 Aug 2022, 15:50
Published
Vulnerability first disclosed
03 Aug 2024, 17:01
Last Modified
Vulnerability information updated
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.
CVSS Metrics
- v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Trends
Current EPSS score: 0.28%• Percentile: 51%
Techniques & Countermeasures
- CWE-401•Missing Release of Memory after Effective Lifetime
The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.
- CWE-400•Uncontrolled Resource Consumption
The product does not properly control the allocation and maintenance of a limited resource.
Affected Systems
- io.undertow•undertow-core
< 2.0.40 | ≥ 2.2.0, < 2.2.10
- redhat•fuse
1.0
- redhat•integration_camel_k
na
- redhat•integration_camel_quarkus
na
- redhat•jboss_enterprise_application_platform
na | 7.3 | 7.4
- redhat•openshift_application_runtimes
na
- redhat•single_sign-on
na
- redhat•undertow
< 2.0.40 | ≥ 2.1.0, < 2.2.10
References (8)
- https://issues.redhat.com/browse/UNDERTOW-1935
- https://bugzilla.redhat.com/show_bug.cgi?id=1991299
- https://access.redhat.com/security/cve/CVE-2021-3690
- https://github.com/undertow-io/undertow/commit/c7e84a0b7efced38506d7d1dfea5902366973877
- https://nvd.nist.gov/vuln/detail/CVE-2021-3690
- https://access.redhat.com/security/cve/cve-2021-3690#cve-cvss-v3
- https://github.com/undertow-io/undertow
- https://www.mend.io/vulnerability-database/CVE-2021-3690