Deserialization in Ozeki Ng Sms Gateway
CVE-2020-14030
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.
Vulnerability class: Insecure Deserialization
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.018 (78.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 78.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.ozeki.hu/index.php (Vendor Advisory)
- github.com/DrunkenShells/Disclosures/tree/master/CVE-2020-14030-RCE via .NET De… (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-14030?
- CVE-2020-14030 is a high-severity vulnerability in Ozeki Ng Sms Gateway, classified under Deserialization of Untrusted Data. CVSS score: 7.2/10. Published 2020-09-30.
- How severe is CVE-2020-14030?
- High severity. CVSS v3 base score is 7.2 out of 10.