CVE-2024-21869

Credential disclosure via plaintext password storage

Published Feb 1, 2024 · Updated May 15, 2025

Plaintext credential storage in Rapid Software LLC Rapid SCADA 5.8.4 and earlier allows local users to read stored passwords. Public advisories do not identify the files, databases, or code paths that write the credentials without encryption. Local access is required, and the disclosed impact is limited to credential confidentiality.

CVSS severity6.2
Medium
EPSS probability0.16%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Plaintext credential storage in Rapid Software LLC Rapid SCADA 5.8.4 and earlier allows local users to read stored passwords. Public advisories do not identify the files, databases, or code paths that write the credentials without encryption. Local access is required, and the disclosed impact is limited to credential confidentiality.

The record

CVE
CVE-2024-21869
Published
Feb 1, 2024
Updated
May 15, 2025
Vendor
Rapid Software LLC
Product
Rapid SCADA
Classifications
CWE-522, CWE-256, T1552
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 1, 2024CVE publishedPublication date reported by the CVE source.
  2. May 15, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=5.8.4

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Rapid Software LLC · Rapid SCADAversion=0 <=5.8.4

Published CVSS scores

5.5NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
6.2ICS-CERTCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-522Insufficiently Protected Credentials
CWE-256Plaintext Storage of a Password
T1552Unsecured Credentials

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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