CVE-2020-15106
Improper Input Validation in etcd
5.3
MEDIUM
CVSS 3.1
EPSS 1.3%
Description
In etcd before versions 3.3.23 and 3.4.10, it is possible to have an entry index greater then the number of entries in the ReadAll method in wal/wal.go. This could cause issues when WAL entries are being read during consensus as an arbitrary etcd consensus participant could go down from a runtime panic when reading the entry.
How to fix CVE-2020-15106
To remediate CVE-2020-15106, upgrade the affected package to a fixed version below.
- —upgrade to 0.5.0-alpha.5.0.20200423152442-f4b650b51dc4 or later
- —upgrade to 3.3.23 or later
Is CVE-2020-15106 being exploited?
Low — EPSS is 1.3%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 0.5.0-alpha.5.0.20200423152442-f4b650b51dc4
- from 0, < 3.3.23
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:N/I:N/A:L |