HOMEVULNERABILITIESCVE-2023-50927
HIGH

CVE-2023-50927

CWE-125Published: February 14, 2024· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

Contiki-NG is an open-source, cross-platform operating system for Next-Generation IoT devices. An attacker can trigger out-of-bounds reads in the RPL-Lite implementation of the RPL protocol in the Contiki-NG operating system. This vulnerability is caused by insufficient control of the lengths for DIO and DAO messages, in particular when they contain RPL sub-option headers. The problem has been patched in Contiki-NG 4.9. Users are advised to upgrade. Users unable to upgrade should manually apply the code changes in PR #2484.

NVD Source

Technical Analysis

CVE-2023-50927 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

contiki-ng1 product(s)
contiki-ng
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
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Official Patches & Advisories

ADVISORYhttps://github.com/contiki-ng/contiki-ng/security/advisories/GHSA-9423-rgj4-wjfw
ADVISORYhttps://github.com/contiki-ng/contiki-ng/security/advisories/GHSA-9423-rgj4-wjfw

All References (4)

→
https://github.com/contiki-ng/contiki-ng/pull/2484Issue Tracking
→
https://github.com/contiki-ng/contiki-ng/security/advisories/GHSA-9423-rgj4-wjfwVendor Advisory
→
https://github.com/contiki-ng/contiki-ng/pull/2484Issue Tracking
→
https://github.com/contiki-ng/contiki-ng/security/advisories/GHSA-9423-rgj4-wjfwVendor Advisory

Quick Facts

CVE IDCVE-2023-50927
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-125
CISA KEVNo
Affected1 vendor(s)
PublishedFeb 14, 2024

Related CVEs (CWE-125)

CVE-2017-14451
10.0
CVE-2021-21777
10.0
CVE-2009-2523
10.0
CVE-2013-0767
10.0
CVE-2021-41556
10.0
CVE-2026-34987
9.9

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2023-50927 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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