CVE-2020-9343

MEDIUMCVSS 6.5/10EPSS 0.94%

Last modified

CVE-2020-9343 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. An issue was discovered in signotec signoPAD-API/Web (formerly Websocket Pad Server) before 3.1.1 on Windows. It is possible to perform a Denial of Service attack because the implementation doesn't limit the parsing of nested JSON structures. EPSS estimates a 0.94% chance of exploitation in the next 30 days.

Description

An issue was discovered in signotec signoPAD-API/Web (formerly Websocket Pad Server) before 3.1.1 on Windows. It is possible to perform a Denial of Service attack because the implementation doesn't limit the parsing of nested JSON structures. If a victim visits an attacker-controlled website, this vulnerability can be exploited via WebSocket data with a deeply nested JSON array.

Metrics

CVSS 3.1
6.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS Probability
0.94%

56.2th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
SignotecSignopad-Api\/Web< 3.1.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2020-9343?
An issue was discovered in signotec signoPAD-API/Web (formerly Websocket Pad Server) before 3.1.1 on Windows. It is possible to perform a Denial of Service attack because the implementation doesn't limit the parsing of nested JSON structures. If a victim visits an attacker-controlled website, this vulnerability can be exploited via WebSocket data with a deeply nested JSON array.
How severe is CVE-2020-9343?
CVE-2020-9343 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.94% probability of exploitation in the next 30 days.
How do I fix CVE-2020-9343?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-9343?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST