CVE-2024-31030
CVE-2024-31030 is a critical-severity vulnerability in Keith-cullen Freecoap with a CVSS 3.x base score of 9.1. 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-476.
Key facts
- Severity: Critical (CVSS 3.x base score 9.1)
- EPSS exploit prediction: 1% (52nd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2024-28948
- Weakness: CWE-476
- Affected product: Keith-cullen Freecoap
- Published:
- Last modified:
Description
An issue in coap_msg.c in Keith Cullen's FreeCoAP v.0.7 allows remote attackers to cause a Denial of Service or potentially disclose information via a specially crafted packet.
Frequently asked questions
- What is CVE-2024-31030?
- An issue in coap_msg.c in Keith Cullen's FreeCoAP v.0.7 allows remote attackers to cause a Denial of Service or potentially disclose information via a specially crafted packet.
- How severe is CVE-2024-31030?
- CVE-2024-31030 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability high.
- Is CVE-2024-31030 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2024-31030?
- CVE-2024-31030 affects Keith-cullen Freecoap. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2024-31030?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- Does CVE-2024-31030 have an EU (EUVD) identifier?
- Yes. CVE-2024-31030 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-28948.
- When was CVE-2024-31030 published?
- CVE-2024-31030 was published on 2024-05-31 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:keith-cullen:freecoap:0.7:*:*:*:*:*:*:*
More vulnerabilities in Keith-cullen Freecoap
- CVE-2024-40494 — Critical (CVSS 9.8): Buffer Overflow in coap_msg.c in FreeCoAP allows remote attackers to execute arbitrary code or cause a denial of…
- CVE-2024-40493 — Critical (CVSS 9.8): Null Pointer Dereference in `coap_client_exchange_blockwise2` function in Keith Cullen FreeCoAP 1.0 allows remote…
- CVE-2024-31029 — High (CVSS 8.2): An issue in the server_handle_regular function of the test_coap_server.c file within the FreeCoAP project allows remote…
All CVEs affecting Keith-cullen Freecoap →
Other CWE-476 (NULL Pointer Dereference) vulnerabilities
- CVE-2022-36648 — Critical (CVSS 10.0): The hardware emulation in the of_dpa_cmd_add_l2_flood of rocker device model in QEMU, as used in 7.0.0 and earlier,…
- CVE-2020-14500 — Critical (CVSS 10.0): Secomea GateManager all versions prior to 9.2c, An attacker can send a negative value and overwrite arbitrary data.
- CVE-2010-2495 — Critical (CVSS 10.0): The pppol2tp_xmit function in drivers/net/pppol2tp.c in the L2TP implementation in the Linux kernel before 2.6.34 does…
- CVE-2026-46195 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: smb: client: validate dacloffset before building…
- CVE-2026-31657 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: batman-adv: hold claim backbone gateways by…
- CVE-2026-31436 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: fix possible wrong descriptor…
Browse all CWE-476 (NULL Pointer Dereference) vulnerabilities →