CVE-2021-3690
7.5CVSSHIGH
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 Vector Breakdown
Exploitability
AV:NAttack VectorNetwork
AC:LAttack ComplexityLow
PR:NPrivileges RequiredNone
UI:NUser InteractionNone
Scope
S:UScopeUnchanged
Impact
C:NConfidentialityNone
I:NIntegrityNone
A:HAvailabilityHigh
Weaknesses
Affected Products
and 4 more affected products View all →
Attack Graph
Products CVE Techniques Tactics
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Exploitability
Official Patch Available
Workaround Available
MITRE ATT&CK
1 technique Impact
References
https://access.redhat.com/security/cve/CVE-2021-3690
access.redhat.com
https://bugzilla.redhat.com/show_bug.cgi?id=1991299
bugzilla.redhat.com
https://github.com/undertow-io/undertow/commit/c7e84a0b7efced38506d7d1dfea5902366973877
github.com
and 5 more references View all →
Timeline
Published
Aug 23, 2022
Last Updated
Nov 21, 2024
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