How severe is CVE-2020-11068?

CVE-2020-11068 has a CVSS 3.x base score of 5.0, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2020-11068 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-11068?

CVE-2020-11068 affects Semtech Loramac-node. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-11068?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-11068 published?

CVE-2020-11068 was published on 2020-06-23 and last updated on 2026-06-17.

CVE-2020-11068

CVE-2020-11068 is a medium-severity vulnerability in Semtech Loramac-node with a CVSS 3.x base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-120.

Key facts

Severity: Medium (CVSS 3.x base score 5.0)
CVSS v2: 6.5
EPSS exploit prediction: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Semtech Loramac-node
Published: 2020-06-23
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2020-11068?: 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 severe is CVE-2020-11068?: CVE-2020-11068 has a CVSS 3.x base score of 5.0, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2020-11068 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-11068?: CVE-2020-11068 affects Semtech Loramac-node. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-11068?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-11068 published?: CVE-2020-11068 was published on 2020-06-23 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:semtech:loramac-node:*:*:*:*:*:*:*:*

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