CVE-2018-12680
CVE-2018-12680 is a high-severity vulnerability in Coapthon Project Coapthon 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: Coapthon Project Coapthon
- Published:
- Last modified:
Description
The Serialize.deserialize() method in CoAPthon 3.1, 4.0.0, 4.0.1, and 4.0.2 mishandles certain exceptions, leading to a denial of service in applications that use this library (e.g., the standard CoAP server, CoAP client, CoAP reverse proxy, example collect CoAP server and client) when they receive crafted CoAP messages.
Frequently asked questions
- What is CVE-2018-12680?
- The Serialize.deserialize() method in CoAPthon 3.1, 4.0.0, 4.0.1, and 4.0.2 mishandles certain exceptions, leading to a denial of service in applications that use this library (e.g., the standard CoAP server, CoAP client, CoAP reverse proxy, example collect CoAP server and client) when they receive crafted CoAP messages.
- How severe is CVE-2018-12680?
- CVE-2018-12680 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-2018-12680 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-2018-12680?
- CVE-2018-12680 primarily affects Coapthon Project Coapthon. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2018-12680?
- 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-2018-12680 published?
- CVE-2018-12680 was published on 2019-04-02 and last updated on 2026-06-17.
References
Affected products (4)
- cpe:2.3:a:coapthon_project:coapthon:3.1:*:*:*:*:*:*:*
- cpe:2.3:a:coapthon_project:coapthon:4.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:coapthon_project:coapthon:4.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:coapthon_project:coapthon:4.0.2:*:*:*:*:*:*:*
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