PatchTheCVECVE-2020-11068: In LoRaMac-node before 4.4.4, a reception buffer overflow can happen due to the received buffer size not being
CVE-2020-11068 is a medium-severity flaw (CVSS 5.0) affecting loramac-node. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
In LoRaMac-node before 4.4.4, a reception buffer overflow can happen due to the received buffer size not being checked. This has been fixed in 4.4.4.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 5.0 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | High |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.9% (top 40%) |
| CISA exploited list | No |
| Weakness | CWE-120 |
| Published | 2020-06-23 |
| 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-2020-11068?
loramac-node: upgrade to 4.4.4. Exact commands for each OS are on this page.
Is CVE-2020-11068 being exploited?
CVE-2020-11068 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-2020-11068 affect?
CVE-2020-11068 affects loramac-node. Severity is medium (CVSS 5.0). In LoRaMac-node before 4.4.4, a reception buffer overflow can happen due to the received buffer size not being checked. This has been fixed in 4.4.4.
How urgent is CVE-2020-11068?
Priority 33/100. No elevated risk signals yet.
Related CVEs
- CVE-2022-39274 HIGH 7.5 UPGRADE LoRaMac-node is a reference implementation and documentation of a LoRa network node