CVEvulnerability
CVE-2021-23018
7.4 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-06-01
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.4 HIGH — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
- CVSS 2.0 ([email protected])
- 5.8 MEDIUM — AV:N/AC:M/Au:N/C:P/I:P/A:N
- Weaknesses
- CWE-319
Description
Intra-cluster communication does not use TLS. The services within the NGINX Controller 3.x before 3.4.0 namespace are using cleartext protocols inside the cluster.
Affected configurations
• f5 nginx controller (>= 3.0.0 <= 3.4.0)
Related
Weakness · CWE (1)
- CWE-319 Cleartext Transmission of Sensitive Information weakness
References
- https://support.f5.com/csp/article/K97002210 Vendor Advisory
- https://support.f5.com/csp/article/K97002210 Vendor Advisory