CVE-2021-33195
Improper sanitization when resolving values from DNS in net
7.3
HIGH
CVSS 3.1
EPSS 0.03%
Description
Go before 1.15.13 and 1.16.x before 1.16.5 has functions for DNS lookups that do not validate replies from DNS servers, and thus a return value may contain an unsafe injection (e.g., XSS) that does not conform to the RFC1035 format.
How to fix CVE-2021-33195
To remediate CVE-2021-33195, upgrade the affected package to a fixed version below.
- —upgrade to 1.15.13 or later
- —upgrade to 1.15.9-5 or later
- —upgrade to 1.15.13 or later
Is CVE-2021-33195 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 1.15.13, >= 1.16.0, < 1.16.5
- from 0, < 1.15.9-5
- from 0, < 1.15.13, >= 1.16.0-0, < 1.16.5
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |