CVE-2020-12141
Last modified
CVE-2020-12141 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. 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.. EPSS estimates a 1.52% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Contiki-Ng | Contiki-Ng | <= 4.4 |
References
- https://github.com/contiki-ng/contiki-ng/pull/1355Patch, Third Party Advisory
- https://twitter.com/ScepticCtfThird Party Advisory
- https://github.com/contiki-ng/contiki-ng/pull/1355Patch, Third Party Advisory
- https://twitter.com/ScepticCtfThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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