1. Home
  2. CVE Database
  3. CVE-2020-12141
CRITICAL · 9.1

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_s...

Vulnerability Description

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.

CVSS Score

9.1

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
Contiki-NgContiki-Ng<= 4.4

Related Weaknesses (CWE)

CWE-125

References

FAQ

What is CVE-2020-12141?

CVE-2020-12141 is a vulnerability with a CVSS score of 9.1 (CRITICAL). 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_s...

How severe is CVE-2020-12141?

CVE-2020-12141 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2020-12141?

Check the references section above for vendor advisories and patch information. Affected products include: Contiki-Ng Contiki-Ng.