Vulnerability in Amazon Firecracker
CVE-2020-16843
In Firecracker 0.20.x before 0.20.1 and 0.21.x before 0.21.2, the network stack can freeze under heavy ingress traffic. This can result in a denial of service on the microVM when it is configured with a single network interface, and an availability problem for the microVM network interface on which the issue is triggered.
EPSS: 0.017 (74.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Amazon Firecracker — versions 0.20.0, 0.21.0, 0.21.1
- N/a — versions n/a
References
- cve@mitre.org (Third Party Advisory, x_refsource_MISC, Mitigation)
- cve@mitre.org (Mailing List, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-16843?
- CVE-2020-16843 is a medium-severity vulnerability in Amazon Firecracker. CVSS score: 5.9/10. Published 2020-08-04.
- How severe is CVE-2020-16843?
- Medium severity. CVSS v3 base score is 5.9 out of 10.