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Fencer Vulns
high 7.8

CVE-2021-27450 json

SSH server configuration file does not implement some best practices.

published 2021-03-25 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-14204

cvss
7.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 10%
public exploits
0
none known

Summary

SSH server configuration file does not implement some best practices. This could lead to a weakening of the SSH protocol strength, which could lead to additional misconfiguration or be leveraged as part of a larger attack on the MU320E (all firmware versions prior to v04A00.1).

Patch / fix

  • ge mu320e_firmware 04a00.1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-21-082-02 updated cvss 3.8

GE MU320E

  • General Electric (GE) MU320E All firmware < 04A00.1
    affected: mitigation “GE recommends MU320E users upgrade to firmware v04A00.1 or higher to mitigate these vulnerabilities.” gegridsolutions.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Exploit prediction

0.20% chance of exploitation in the next 30 days, higher than 10% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 4.6 AV:L/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • n/a MU320E

Classification

Weakness
  • CWE-326 Inadequate Encryption Strength

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.