CVE-2020-27223
MEDIUM 5.3EPSS 78.0%
In Eclipse Jetty 9.4.6.v20170531 to 9.4.36.v20210114 (inclusive), 10.0.0, and 11.0.0 when Jetty handles a request containing multiple Accept headers with a large number of “quality” (i.e. q) parameters, the server may enter a denial of service (DoS) state due to high CPU usage processing those quality values, resulting in minutes of CPU time exhausted processing those quality values.
- Affected
- The Eclipse Foundation · Eclipse Jetty
- CVSS v3.1 NVD
- 5.3 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L - CVSS v3.1 ECLIPSE
- 5.2 MEDIUM
CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H - CVSS v2.0 NVD
- 4.3 MEDIUM
AV:N/AC:M/Au:N/C:N/I:N/A:P - EPSS
- 78.03% chance of exploitation in the next 30 days, 100th percentile
- Published
- 2021-02-26
- Updated
- 2025-08-20
Proof-of-concept exploits (2)
- motikan2010/CVE-2020-272233★ · 2021-03-19
- ttestoo/Jetty-CVE-2020-272230★ · 2021-08-18
Exploit collections (1)
- Eclipse Jetty 拒绝服务 (CVE-2020-27223).mdtzwlhack/Vulnerability
Security advisories
- https://bugs.eclipse.org/bugs/show_bug.cgi?id=571128
- eclipse/jetty.project/security/advisories/GHSA-m394-8rww-3jr7
- https://security.netapp.com/advisory/ntap-20210401-0005
- https://www.debian.org/security/2021/dsa-4949
- https://www.oracle.com/security-alerts/cpuApr2021.html
- advisories/GHSA-m394-8rww-3jr7