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CVE-2022-41972

22
FAUCET Score

CVE-2022-41972 is a NULL Pointer Dereference vulnerability affecting Contiki-NG, an open-source operating system for IoT devices, in versions prior to 4.9. An attacker within Bluetooth Low Energy (BLE) range can inject a crafted packet into the BLE L2CAP module, causing a NULL pointer dereference and triggering undefined behavior. This vulnerability has a CVSS score of 6.5 (Medium), indicating a network-adjacent attack with low complexity, requiring no privileges or user interaction, and leading to high availability impact (denial of service). There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.8CPE matchmatch criteria
cpe:2.3:o:contiki-ng:contiki-ng:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

2.9LOW

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
Exploitability Score
1.4
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.21%
Probability of exploitation in next 30 days
EPSS Percentile
10.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0021 is in the 13th percentile among its peer group of 1,802 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / contiki-ng/contiki-ng/pull/2253
PatchThird Party Advisory
github.com / contiki-ng/contiki-ng/security/advisories/GHSA-24xp-g5gf-6vvm
Third Party Advisory