CVE-2020-12141
CRITICAL
9.1
CVSS Score
Published: October 19, 2021 at 03:23 PM UTC
Updated: June 17, 2026 at 02:51 AM UTC
1 product affected across 1 vendorContiki-NG
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Severity
CRITICAL9.1
Exploit prediction
EPSS 2%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v ≤ 4.4
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (3)
x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/contiki-ng/contiki-ng/commit/12c824386ab60de757de5001974d73b32e19ad71#diff-32367fad664c6118fd5dda77cdf38eedc006cdd7544eca5bbeebe0b99653f8a0x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/contiki-ng/contiki-ng/pull/1355CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-125
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