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Fencer Vulns
medium 6.9

CVE-2024-5434 json

Weak Encoding for Password vulnerability in Campbell Scientific CSI Web Server and RTMC

published 2024-05-28 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-46656

cvss
6.9
version 4.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 12%
public exploits
0
none known

Summary

The Campbell Scientific CSI Web Server stores web authentication credentials in a file with a specific file name. Passwords within that file are stored in a weakly encoded format. There is no known way to remotely access the file unless it has been manually renamed. However, if an attacker were to gain access to the file, passwords could be decoded and reused to gain access.

Vendor advisories

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

cisa ICSA-24-149-01 updated cvss 5.7

Campbell Scientific CSI Web Server

  • Campbell Scientific CSI Web Server <=1.6
    affected: mitigation “Campbell Scientific recommends users to update to the version.For user of CSI Web Server update to the most recent CSI Web Server 1.x patch” campbellsci.com
  • Campbell Scientific RTMC Pro <=5.0
    affected: vendor fix, mitigation “Campbell Scientific recommends users to update to the version.For user of CSI Web Server update to the most recent CSI Web Server 1.x patch” campbellsci.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

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.22% chance of exploitation in the next 30 days, higher than 12% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 4.0 6.9 CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
CNA 4.0 6.9 CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected products

  • Campbell Scientific CSI Web Server and RTMC
  • campbellsci csi_web_server
  • campbellsci rtmc

Classification

Weakness
  • CWE-261 Weak Encoding for Password

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.