CVE-2020-14030

Description

An issue was discovered in Ozeki NG SMS Gateway through 4.17.6. It stores SMS messages in .NET serialized format on the filesystem. By generating (and writing to the disk) malicious .NET serialized files, an attacker can trick the product into deserializing them, resulting in arbitrary code execution.

Category

7.2
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 3.00% Top 15%
Vendor Advisory ozeki.hu
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.ozeki.hu/index.php?owpn=231 vendor advisory
https://github.com/DrunkenShells/Disclosures/tree/master/CVE-2020-14030-RCE%20via%20.NET%20Deserialization-Ozeki%20SMS%20Gateway third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2020-14030?
CVE-2020-14030 has been scored as a high severity vulnerability.
How to fix CVE-2020-14030?
To fix CVE-2020-14030, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-14030 being actively exploited in the wild?
It is possible that CVE-2020-14030 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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