VDB
CVE-2020-16843
CVE-2020-16843
PUBLISHED
CVSS 5.900000095367432 MEDIUM
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 0.50% · 66.2th percentile
Risk Scores
CVSS 3.1
5.900000095367432
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
0.50%
66.2th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| amazon | firecracker | 0.20.0, 0.21.0, 0.21.1 |
| n/a | n/a | n/a |
Timeline
- Aug 4, 2020 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Oct 26, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Feb 28, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 1, 2022 EPSS Score
- Jul 3, 2022 EPSS Score
- Sep 4, 2022 EPSS Score
References
- https://github.com/firecracker-microvm/firecracker/issues/2057 url
- https://www.openwall.com/lists/oss-security/2020/08/13/1 url
- [oss-security] 20200813 CVE-2020-16843: Firecracker v0.20.0, v0.21.0 and v0.21.1 network stack can freeze under heavy ingress traffic mailing-list
- https://nvd.nist.gov/vuln/detail/CVE-2020-16843 advisory