How severe is CVE-2019-17520?

CVE-2019-17520 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2019-17520 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-17520?

CVE-2019-17520 affects Ti Cc2640r2 Software Development Kit. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-17520?

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

When was CVE-2019-17520 published?

CVE-2019-17520 was published on 2020-02-10 and last updated on 2026-06-17.

CVE-2019-17520

CVE-2019-17520 is a medium-severity vulnerability in Ti Cc2640r2 Software Development Kit with a CVSS 3.x base score of 6.5. 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 6.5)
CVSS v2: 6.1
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Ti Cc2640r2 Software Development Kit
Published: 2020-02-10
Last modified: 2026-06-17

Description

The Bluetooth Low Energy implementation on Texas Instruments SDK through 3.30.00.20 for CC2640R2 devices does not properly restrict the SM Public Key packet on reception, allowing attackers in radio range to cause a denial of service (crash) via crafted packets.

Frequently asked questions

What is CVE-2019-17520?: The Bluetooth Low Energy implementation on Texas Instruments SDK through 3.30.00.20 for CC2640R2 devices does not properly restrict the SM Public Key packet on reception, allowing attackers in radio range to cause a denial of service (crash) via crafted packets.
How severe is CVE-2019-17520?: CVE-2019-17520 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2019-17520 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-17520?: CVE-2019-17520 affects Ti Cc2640r2 Software Development Kit. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-17520?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-17520 published?: CVE-2019-17520 was published on 2020-02-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ti:cc2640r2_software_development_kit:*:*:*:*:*:*:*:*

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