What’s Vulnerable › Vulnerabilities

CVE-2020-29540

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-12-08 · updated 2026-06-17

Description

API calls in the Translation API feature in Systran Pure Neural Server before 9.7.0 allow a threat actor to use the Systran Pure Neural Server as a Denial-of-Service proxy by sending a large amount of translation requests to a destination host on any given TCP port regardless of whether a web service is running on the destination port.

Affected products

• Systransoft Pure Neural Server: before 9.7.0 — fixed in 9.7.0

How to fix

Upgrade to a fixed version: Systransoft Pure Neural Server 9.7.0. Check the vendor advisory for mitigations.

References

• https://grave-rose.medium.com/two-systran-vulnerabilities-and-their-exploits-8bc83ba29e14
• https://www.systransoft.com/translation-products/systran-pure-neural-server/
• https://grave-rose.medium.com/two-systran-vulnerabilities-and-their-exploits-8bc83ba29e14
• https://www.systransoft.com/translation-products/systran-pure-neural-server/

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