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Fencer Vulns
medium 5.3

CVE-2021-36203 json

Johnson Controls Metasys SCT Pro

published 2022-04-22 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-22824

cvss
5.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 58%
public exploits
0
none known

Summary

The affected product may allow an attacker to identify and forge requests to internal systems by way of a specially crafted request.

Patch / fix

  • Johnnson Controls Metasys System Configuration Tool (SCT) 14.2.2
  • Johnnson Controls Metasys System Configuration Tool Pro (SCT Pro) 14.2.2

Vendor advisories

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

cisa ICSA-22-111-02 updated cvss 5.3

Johnson Controls Metasys SCT Pro

  • Johnson Controls Inc Metasys System Configuration Tool (SCT) < 14.2.2 Johnson Controls Inc Metasys System Configuration Tool Pro (SCT Pro) < 14.2.2
    affected: mitigation “Update SCT/SCT Pro with Patch 14.2.2” johnsoncontrols.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

0.87% chance of exploitation in the next 30 days, higher than 58% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
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

  • Johnnson Controls Metasys System Configuration Tool (SCT)
  • Johnnson Controls Metasys System Configuration Tool Pro (SCT Pro)

Classification

Weakness
  • CWE-918 Server-Side Request Forgery

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.