CVE-2021-28165
Jetty vulnerable to incorrect handling of invalid large TLS frame, exhausting CPU resources
7.5
HIGH
CVSS 3.1
EPSS 53.9%
Description
In Eclipse Jetty 7.2.2 to 9.4.38, 10.0.0.alpha0 to 10.0.1, and 11.0.0.alpha0 to 11.0.1, CPU usage can reach 100% upon receiving a large invalid TLS frame.
How to fix CVE-2021-28165
To remediate CVE-2021-28165, upgrade the affected package to a fixed version below.
- Maven/org.eclipse.jetty:jetty-server—upgrade to 9.4.39 or later
Is CVE-2021-28165 being exploited?
Likely — EPSS is 53.9%, placing CVE-2021-28165 in the top tier of vulnerabilities by exploitation probability. Prioritise patching.
Affected packages (1)
- >= 7.2.2, < 9.4.39
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |