CVE-2021-3690

Aliases:GHSA-fj7c-vg2v-ccrmDEBIAN-CVE-2021-3690RHSA-2021:3217RHSA-2021:3219
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
1.68% LOW
2% probability +1.40%
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: 1.68%• Percentile: 76%

Techniques & Countermeasures

  • CWE-400•Uncontrolled Resource Consumption

    The product does not properly control the allocation and maintenance of a limited resource.

  • 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.

Affected Systems

  • debian•undertow

    < 2.2.10-1

  • 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

  • redhat•eap7-undertow

    < 0:2.0.38-2.SP2_redhat_00001.1.el6eap | < 0:2.0.38-2.SP2_redhat_00001.1.el7eap | < 0:2.0.38-2.SP2_redhat_00001.1.el8eap | < 0:2.2.5-2.SP1_redhat_00001.1.el7eap | < 0:2.2.5-2.SP1_redhat_00001.1.el8eap

References (19)