Vulnerability · Published Dec 7, 2021 · Assigned by mitre

CVE-2020-12140

High 8.8

In plain English

A high-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 61% of all known vulnerabilities).

Severity (CVSS NVD)8.8High

Exploit odds (30 days)0.9%top 38.6% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
n/a	n/a	n/a

References

https://twitter.com/ScepticCtf x_refsource_MISC
https://github.com/contiki-ng/contiki-ng/pull/1662 x_refsource_MISC