CVE-2021-36203
Johnson Controls Metasys SCT Pro
The affected product may allow an attacker to identify and forge requests to internal systems by way of a specially crafted request.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Johnson Controls Metasys SCT Pro
The affected product may allow an attacker to identify and forge requests to internal systems by way of a specially crafted request.
- Record
CVE-2021-36203- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-918
- Updated
- 2026-11-02
EUVDEUVD-2021-22824
The affected product may allow an attacker to identify and forge requests to internal systems by way of a specially crafted request.
- Record
EUVD-2021-22824- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-67j2-4r5v-f48w
A vulnerability in all versions of SCT/SCT Pro prior to version 14.2.2 allows a remote...
A vulnerability in all versions of SCT/SCT Pro prior to version 14.2.2 allows a remote unauthenticated attacker to identify and forge requests to internal systems via a specially crafted request allowing the attacker to determine if specific files or paths exist. This issue affects all versions of SCT/SCT Pro prior to version 14.2.2.
- Record
GHSA-67j2-4r5v-f48w- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-918
- Updated
- 2026-11-02
NVD
The affected product may allow an attacker to identify and forge requests to internal systems by way of a specially crafted request.
- Record
CVE-2021-36203- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - CVSS 2.0
- 6.4 Medium
AV:N/AC:L/Au:N/C:P/I:P/A:N - Weakness
- CWE-918
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-36203 is a medium vulnerability (CVSS 5.3) in Johnnson Controls Metasys System Configuration Tool (sct), published April 22, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.87%, the 58th percentile. No source names a fixed version.