What’s Vulnerable › Vulnerabilities

CVE-2020-11068: Potential Buffer Overflow in LoRaMac-node

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-06-23 · updated 2026-06-17
• Weakness: CWE-120

Description

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.

Affected products

• Lora-net LoRaMac-node: before 4.4.4 — fixed in 4.4.4

How to fix

Upgrade to a fixed version: Lora-net LoRaMac-node 4.4.4. Check the vendor advisory for mitigations.

References

• https://github.com/Lora-net/LoRaMac-node/commit/e3063a91daa7ad8a687223efa63079f0c24568e4
• https://github.com/Lora-net/LoRaMac-node/security/advisories/GHSA-559p-6xgm-fpv9
• https://github.com/Lora-net/LoRaMac-node/commit/e3063a91daa7ad8a687223efa63079f0c24568e4
• https://github.com/Lora-net/LoRaMac-node/security/advisories/GHSA-559p-6xgm-fpv9

Get alerted when CVE-2020-11068 or the next vulnerability affects your stack