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CRITICAL

CVE-2020-14937

CVSS v3

9.1

CRITICAL

EPSS Score

1.5 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

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.

Technical details

Published
2020-08-18

Frequently asked questions

What is 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.

Is CVE-2020-14937 actively exploited?

Active exploitation of CVE-2020-14937 has not been confirmed. Its EPSS score was 1.5% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-14937?

CVE-2020-14937 has a CVSS v3 base score of 9.1 (CRITICAL severity).

Is CVE-2020-14937 affecting your environment?

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