Vulnerabilities > CVE-2021-3859 - Information Exposure Through Process Environment vulnerability in multiple products
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
NONE Integrity impact
NONE Availability impact
HIGH Summary
A flaw was found in Undertow that tripped the client-side invocation timeout with certain calls made over HTTP2. This flaw allows an attacker to carry out denial of service attacks.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
References
- https://issues.redhat.com/browse/UNDERTOW-1979
- https://github.com/undertow-io/undertow/commit/e43f0ada3f4da6e8579e0020cec3cb1a81e487c2
- https://bugzilla.redhat.com/show_bug.cgi?id=2010378
- https://access.redhat.com/security/cve/CVE-2021-3859
- https://github.com/undertow-io/undertow/pull/1296
- https://security.netapp.com/advisory/ntap-20221201-0004/