CVE-2021-34429
Encoded URIs can access WEB-INF directory in Eclipse Jetty
5.3
MEDIUM
CVSS 3.1
EPSS 93.8%
Description
For Eclipse Jetty versions 9.4.37-9.4.42, 10.0.1-10.0.5 & 11.0.1-11.0.5, URIs can be crafted using some encoded characters to access the content of the WEB-INF directory and/or bypass some security constraints. This is a variation of the vulnerability reported in CVE-2021-28164/GHSA-v7ff-8wcx-gmc5.
How to fix CVE-2021-34429
To remediate CVE-2021-34429, upgrade the affected package to a fixed version below.
- —upgrade to 9.4.39-3 or later
- —upgrade to 9.4.43 or later
Is CVE-2021-34429 being exploited?
Likely — EPSS is 93.8%, placing CVE-2021-34429 in the top tier of vulnerabilities by exploitation probability. Prioritise patching.
Affected packages (2)
- from 0, < 9.4.39-3
- >= 9.4.37, < 9.4.43
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |