CVE-2020-12886 is a critical buffer over-read vulnerability in the CoAP library of Arm Mbed OS 5.15.3. The flaw allows an attacker to cause memory access outside of intended buffer boundaries due to improper validation of the CoAP message token length. With a CVSS score of 9.1, this vulnerability is easily exploitable over the network with low attack complexity, potentially leading to high impact on confidentiality and availability. While there are no known public exploits or Metasploit modules, the vulnerability has garnered significant community discussion, indicating awareness and potential for future exploitation.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
5.15.3CPE matchmatch criteria | cpe:2.3:o:arm:mbed_os:5.15.3:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.