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Fencer Vulns
high 7.5

CVE-2020-29540 json

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 Ser…

published 2020-12-08 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-21906

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.2%
EPSS 1.2% chance of exploitation in 30 days, percentile 68%
public exploits
0
none known

Summary

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.

Patch / fix

  • systransoft pure_neural_server 9.7.0

Exploit prediction

1.19% chance of exploitation in the next 30 days, higher than 68% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • grave-rose.medium.com https://grave-rose.medium.com/two-systran-vulnerabilities-and-their-exploits-8bc83ba29e14 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.