How severe is CVE-2023-24825?

CVE-2023-24825 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-24825 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-24825?

CVE-2023-24825 affects Riot-os Riot. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-24825?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-24825 published?

CVE-2023-24825 was published on 2023-05-30 and last updated on 2026-06-17.

CVE-2023-24825

CVE-2023-24825 is a high-severity vulnerability in Riot-os Riot with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-252.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-252
Affected product: Riot-os Riot
Published: 2023-05-30
Last modified: 2026-06-17

Description

RIOT-OS, an operating system for Internet of Things (IoT) devices, contains a network stack with the ability to process 6LoWPAN frames. Prior to version 2023.04, an attacker can send a crafted frame to the device to trigger a NULL pointer dereference leading to denial of service. This issue is fixed in version 2023.04. There are no known workarounds.

Frequently asked questions

What is CVE-2023-24825?: RIOT-OS, an operating system for Internet of Things (IoT) devices, contains a network stack with the ability to process 6LoWPAN frames. Prior to version 2023.04, an attacker can send a crafted frame to the device to trigger a NULL pointer dereference leading to denial of service. This issue is fixed in version 2023.04. There are no known workarounds.
How severe is CVE-2023-24825?: CVE-2023-24825 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-24825 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-24825?: CVE-2023-24825 affects Riot-os Riot. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-24825?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-24825 published?: CVE-2023-24825 was published on 2023-05-30 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:riot-os:riot:*:*:*:*:*:*:*:*

More vulnerabilities in Riot-os Riot

CVE-2026-22214 — Critical (CVSS 9.8): RIOT OS versions up to and including 2026.01-devel-317 contain a stack-based buffer overflow vulnerability in the ethos…
CVE-2026-22213 — Critical (CVSS 9.8): RIOT OS versions up to and including 2026.01-devel-317 contain a stack-based buffer overflow vulnerability in the…
CVE-2025-66647 — Critical (CVSS 9.8): RIOT is an open-source microcontroller operating system, designed to match the requirements of Internet of Things (IoT)…
CVE-2025-53888 — Critical (CVSS 9.8): RIOT-OS, an operating system that supports Internet of Things devices, has an ineffective size check implemented with…
CVE-2024-32017 — Critical (CVSS 9.8): RIOT is a real-time multi-threading operating system that supports a range of devices that are typically 8-bit, 16-bit…
CVE-2023-33975 — Critical (CVSS 9.8): RIOT-OS, an operating system for Internet of Things (IoT) devices, contains a network stack with the ability to process…

All CVEs affecting Riot-os Riot →

Other CWE-252 vulnerabilities

CVE-2025-66565 — Critical (CVSS 9.8): Fiber Utils is a collection of common functions created for Fiber. In versions 2.0.0-rc.3 and below, when the system's…
CVE-2021-38171 — Critical (CVSS 9.8): adts_decode_extradata in libavformat/adtsenc.c in FFmpeg 4.4 does not check the init_get_bits return value, which is a…
CVE-2021-26955 — Critical (CVSS 9.8): An issue was discovered in the xcb crate through 2021-02-04 for Rust. It has a soundness violation because…
CVE-1999-0199 — Critical (CVSS 9.8): manual/search.texi in the GNU C Library (aka glibc) before 2.2 lacks a statement about the unspecified tdelete return…
CVE-2019-15900 — Critical (CVSS 9.8): An issue was discovered in slicer69 doas before 6.2 on certain platforms other than OpenBSD. On platforms without…
CVE-2010-0211 — Critical (CVSS 9.8): The slap_modrdn2mods function in modrdn.c in OpenLDAP 2.4.22 does not check the return value of a call to the…

Browse all CWE-252 vulnerabilities →