How severe is CVE-2018-12679?

CVE-2018-12679 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-2018-12679 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-12679?

CVE-2018-12679 primarily affects Coapthon3 Project Coapthon3. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-12679?

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-2018-12679 published?

CVE-2018-12679 was published on 2019-04-02 and last updated on 2026-06-17.

CVE-2018-12679

CVE-2018-12679 is a high-severity vulnerability in Coapthon3 Project Coapthon3 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-502.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-502
Affected product: Coapthon3 Project Coapthon3
Published: 2019-04-02
Last modified: 2026-06-17

Description

The Serialize.deserialize() method in CoAPthon3 1.0 and 1.0.1 mishandles certain exceptions, leading to a denial of service in applications that use this library (e.g., the standard CoAP server, CoAP client, example collect CoAP server and client) when they receive crafted CoAP messages.

Frequently asked questions

What is CVE-2018-12679?: The Serialize.deserialize() method in CoAPthon3 1.0 and 1.0.1 mishandles certain exceptions, leading to a denial of service in applications that use this library (e.g., the standard CoAP server, CoAP client, example collect CoAP server and client) when they receive crafted CoAP messages.
How severe is CVE-2018-12679?: CVE-2018-12679 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-2018-12679 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-12679?: CVE-2018-12679 primarily affects Coapthon3 Project Coapthon3. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-12679?: 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-2018-12679 published?: CVE-2018-12679 was published on 2019-04-02 and last updated on 2026-06-17.

References

https://github.com/Tanganelli/CoAPthon3/issues/16

Affected products (2)

cpe:2.3:a:coapthon3_project:coapthon3:1.0:*:*:*:*:*:*:*
cpe:2.3:a:coapthon3_project:coapthon3:1.0.1:*:*:*:*:*:*:*

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