PatchTheCVECVE-2021-23218: When running with FIPS mode enabled, Mirantis Container Runtime 20.10.8 leaks memory during TLS Handshakes whi
CVE-2021-23218 is a medium-severity flaw (CVSS 5.3) affecting mirantis container runtime. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
When running with FIPS mode enabled, Mirantis Container Runtime 20.10.8 leaks memory during TLS Handshakes which could be abused to cause a denial of service.
Why this priority
- Remotely exploitable, no login, no user action
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 5.3 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.9% (top 40%) |
| CISA exploited list | No |
| Weakness | CWE-401 |
| Published | 2022-01-10 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2021-23218?
mirantis container runtime: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2021-23218 being exploited?
CVE-2021-23218 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2021-23218 affect?
CVE-2021-23218 affects mirantis container runtime. Severity is medium (CVSS 5.3). When running with FIPS mode enabled, Mirantis Container Runtime 20.10.8 leaks memory during TLS Handshakes which could be abused to cause a denial of service.
How urgent is CVE-2021-23218?
Priority 38/100. Remotely exploitable, no login, no user action