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Fencer Intel
critical 9.8

CVE-2024-21764 json

Use of Hard-Coded Credentials in Rapid SCADA

published 2y ago modified 4mo ago also EUVD-2024-19378

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 50%
public exploits
0
none known

Summary

In Rapid Software LLC's Rapid SCADA versions prior to Version 5.8.4, the product uses hard-coded credentials, which may allow an attacker to connect to a specific port.

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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-24-011-03 updated cvss 9.8

Rapid Software LLC Rapid SCADA

  • Rapid Software LLC Rapid SCADA <=5.8.4
    affected: mitigation “Rapid Software did not respond to CISA's attempts at coordination. Users of RapidSCADA are encouraged to contact Rapid Software and keep their systems up to date.”

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

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
total
Assessed
2y ago

Exploit prediction

0.62% chance of exploitation in the next 30 days, higher than 50% of all scored CVEs (FIRST EPSS, 2026-11-11).

CVSS scores

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

Affected products

  • Rapid Software LLC Rapid SCADA

Classification

Weakness
  • CWE-798 Use of Hard-coded Credentials

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.