Resource exhaustion in Apache Nifi
CVE-2020-27223
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 ser…
EPSS: 0.779 (99.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.2 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H.
Affected products
- Apache Nifi — versions 1.13.0
- Apache Solr — versions 8.8.1
- Apache Spark — versions 3.1.1
- Eclipse Jetty — versions 9.4.6, 9.4.36, 10.0.0
- Netapp Element_plug-in_for_vcenter_server
- Netapp E-series_santricity_os_controller
- Netapp E-series_santricity_web_services
- Netapp Hci
- Netapp Hci_management_node
- Netapp Management_services_for_element_software
Weakness classification (CWE)
Public proof-of-concept exploits
References
- emo@eclipse.org (x_refsource_CONFIRM, Vendor Advisory)
- emo@eclipse.org (x_refsource_CONFIRM, Third Party Advisory)
- emo@eclipse.org (mailing-list, x_refsource_MLIST)
- emo@eclipse.org (mailing-list, x_refsource_MLIST)
- emo@eclipse.org (mailing-list, x_refsource_MLIST)
- emo@eclipse.org (mailing-list, x_refsource_MLIST)
- emo@eclipse.org (mailing-list, x_refsource_MLIST)
- emo@eclipse.org (mailing-list, x_refsource_MLIST)
- emo@eclipse.org (mailing-list, x_refsource_MLIST)
- emo@eclipse.org (mailing-list, x_refsource_MLIST)
Frequently asked questions
- What is CVE-2020-27223?
- CVE-2020-27223 is a medium-severity vulnerability in Apache Nifi, classified under Inefficient Algorithmic Complexity. CVSS score: 5.2/10. Published 2021-02-26.
- How severe is CVE-2020-27223?
- Medium severity. CVSS v3 base score is 5.2 out of 10.
- Is CVE-2020-27223 known to be exploited?
- 15 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.