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High severity8.8NVD Advisory· Published Dec 7, 2021· Updated Jun 17, 2026

CVE-2020-12140

CVE-2020-12140

Description

A buffer overflow in os/net/mac/ble/ble-l2cap.c in the BLE stack in Contiki-NG 4.4 and earlier allows an attacker to execute arbitrary code via malicious L2CAP frames.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3
  • Xwiki Contrib/Contiki Ng.3 versions
    cpe:2.3:o:contiki-ng:contiki-ng:*:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:o:contiki-ng:contiki-ng:*:*:*:*:*:*:*:*range: <=4.4
    • (no CPE)
    • (no CPE)range: <=4.4

Patches

Vulnerability mechanics

References

2

News mentions

0

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