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CVE-2024-32018

28
FAUCET Score

CVE-2024-32018 is a critical buffer overflow vulnerability affecting the RIOT real-time operating system. Specifically, the nimble_scanlist_update() function fails to properly validate the 'len' parameter when assertion macros are compiled out, allowing an attacker to write past the end of a fixed-length buffer. This vulnerability has a CVSS score of 9.0 (Critical) and can lead to denial of service or arbitrary code execution, with a low attack complexity and no user interaction required. While there is no known active exploitation or public exploit code, the vulnerability has garnered significant community discussion, indicating awareness and potential future exploitation. Users are advised to implement manual 'len' checking as a mitigation since no patch is currently available.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2024.01CPE matchmatch criteria
cpe:2.3:o:riot-os:riot:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.47%
Probability of exploitation in next 30 days
EPSS Percentile
71.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0147 is in the 63rd percentile among its peer group of 201 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.4 Reddit, 1.2 Bluesky, 0.9 Mastodon, and 2.3 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.8 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

github_advisoryvendor investigatingvia nvd_reference
View patch

References

seclists.org / fulldisclosure/2024/May/7
Mailing ListThird Party Advisory
github.com / RIOT-OS/RIOT/blob/master/pkg/nimble/scanlist/nimble_scanlist.c
Product
github.com / RIOT-OS/RIOT/security/advisories/GHSA-899m-q6pp-hmp3
ExploitVendor Advisory
openwall.com / lists/oss-security/2024/05/07/3
Mailing ListThird Party Advisory