CVE-2021-36203
CVE-2021-36203 is a medium-severity vulnerability in Johnsoncontrols Metasys System Configuration Tool with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-918.
Key facts
- Severity: Medium (CVSS 3.x base score 5.3)
- CVSS v2: 6.4
- EPSS exploit prediction: 1% (57th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-918
- Affected product: Johnsoncontrols Metasys System Configuration Tool
- Published:
- Last modified:
Description
The affected product may allow an attacker to identify and forge requests to internal systems by way of a specially crafted request.
Frequently asked questions
- What is CVE-2021-36203?
- The affected product may allow an attacker to identify and forge requests to internal systems by way of a specially crafted request.
- How severe is CVE-2021-36203?
- CVE-2021-36203 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
- Is CVE-2021-36203 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-36203?
- CVE-2021-36203 primarily affects Johnsoncontrols Metasys System Configuration Tool. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2021-36203?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-36203 published?
- CVE-2021-36203 was published on 2022-04-22 and last updated on 2026-06-17.
References
Affected products (2)
- cpe:2.3:a:johnsoncontrols:metasys_system_configuration_tool:*:*:*:*:-:*:*:*
- cpe:2.3:a:johnsoncontrols:metasys_system_configuration_tool:*:*:*:*:pro:*:*:*
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