Out-of-bounds Read in Contiki-Ng
CVE-2020-14937
Memory access out of buffer boundaries issues was discovered in Contiki-NG 4.4 through 4.5, in the SNMP BER encoder/decoder. The length of provided input/output buffers is insufficiently verified during the encoding and decoding of data. This may lead to out-of-bounds buffer read or write access in BER decoding and encoding functions.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.
EPSS exploit prediction
EPSS: 0.015 (72.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 72.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000
Affected products
Weakness classification (CWE)
References
- drive.google.com/file/d/1mAkJBVZNv5PMVwLojru0njH38zEXpWui/view (Third Party Advisory)
- github.com/contiki-ng/contiki-ng/issues/1354 (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-14937?
- CVE-2020-14937 is a critical-severity vulnerability in Contiki-Ng, classified under Out-of-bounds Read. CVSS score: 9.1/10. Published 2020-08-18.
- How severe is CVE-2020-14937?
- Critical severity. CVSS v3 base score is 9.1 out of 10.