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Fencer Intel
critical 9.1

CVE-2020-10634 json

SAE IT-systems FW-50 Remote Telemetry Unit (RTU).

published 6y ago modified 4mo ago also EUVD-2020-3082

cvss
9.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.4%
EPSS 1.4% chance of exploitation in 30 days, percentile 72%
public exploits
0
none known

Summary

SAE IT-systems FW-50 Remote Telemetry Unit (RTU). A specially crafted request could allow an attacker to view the file structure of the affected device and access files that should be inaccessible.

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Vendor advisories

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

cisa ICSA-20-126-02 updated cvss 9.1

SAE IT-systems FW-50 Remote Telemetry Unit (RTU)

  • SAE IT-systems FW-50 RTU 5 Series CPU-5B Hardware Revision 2; CPLD Revision 6
    affected: mitigation “For information regarding the replacement CPU card, contact SAE IT-systems” sae-it.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

1.41% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
NVD 2.0 6.4 AV:N/AC:L/Au:N/C:P/I:P/A:N

Affected products

  • n/a SAE IT-systems FW-50 Remote Telemetry Unit (RTU)

Classification

Weakness
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory

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.