What is CVE-2020-12141?

CVE-2020-12141 is a critical-severity vulnerability in Contiki-Ng, classified under Out-of-bounds Read. CVSS score: 9.1/10. Published 2021-10-19.

How severe is CVE-2020-12141?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Out-of-bounds Read in Contiki-Ng

CVE-2020-12141

An out-of-bounds read in the SNMP stack in Contiki-NG 4.4 and earlier allows an attacker to cause a denial of service and potentially disclose information via crafted SNMP packets to snmp_ber_decode_string_len_buffer in os/net/app-layer/snmp/snmp-ber.c.

Vulnerability class: Buffer Overflow

EPSS: 0.015 (71.9th percentile) — read the EPSS interpretation.

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.

Affected products

Contiki-ng
N/a — versions n/a

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-12141?: CVE-2020-12141 is a critical-severity vulnerability in Contiki-Ng, classified under Out-of-bounds Read. CVSS score: 9.1/10. Published 2021-10-19.
How severe is CVE-2020-12141?: Critical severity. CVSS v3 base score is 9.1 out of 10.