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Fencer Intel
critical 9.8

CVE-2020-16259 json

Winston 1.5.4 devices have an SSH user account with access from bastion hosts.

published 6y ago modified 4mo ago also EUVD-2020-8220

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.8%
EPSS 1.8% chance of exploitation in 30 days, percentile 78%
public exploits
0
none known

Summary

Winston 1.5.4 devices have an SSH user account with access from bastion hosts. This is undocumented in device documents and is not announced to the user.

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Exploit prediction

1.75% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • labs.bishopfox.com https://labs.bishopfox.com/advisories/winston-privacy-version-1.5.4 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

References

Sources

Fencer Intel 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.