CVEvulnerability
CVE-2021-3690
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2022-08-23
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-400, CWE-401
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.
Affected configurations
• redhat fuse 1.0
• redhat integration camel k
• redhat integration camel quarkus
• redhat jboss enterprise application platform
• redhat openshift application runtimes
• redhat single sign-on
• redhat undertow (< 2.0.40)
• redhat undertow (>= 2.1.0 < 2.2.10)
• redhat jboss enterprise application platform 7.3
• redhat jboss enterprise application platform 7.4
Related
References
- 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
- 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