How severe is CVE-2021-36206?

CVE-2021-36206 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2021-36206 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-36206?

CVE-2021-36206 affects Johnsoncontrols Cevas. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-36206?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2021-36206 published?

CVE-2021-36206 was published on 2022-10-28 and last updated on 2026-06-17.

CVE-2021-36206

CVE-2021-36206 is a critical-severity vulnerability in Johnsoncontrols Cevas with a CVSS 3.x base score of 10.0. 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-79.

Key facts

Severity: Critical (CVSS 3.x base score 10.0)
EPSS exploit prediction: 0% (34th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Johnsoncontrols Cevas
Published: 2022-10-28
Last modified: 2026-06-17

Description

All versions of CEVAS prior to 1.01.46 do not sufficiently validate user-controllable input and could allow a user to bypass authentication and retrieve data with specially crafted SQL queries.

Frequently asked questions

What is CVE-2021-36206?: All versions of CEVAS prior to 1.01.46 do not sufficiently validate user-controllable input and could allow a user to bypass authentication and retrieve data with specially crafted SQL queries.
How severe is CVE-2021-36206?: CVE-2021-36206 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2021-36206 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-36206?: CVE-2021-36206 affects Johnsoncontrols Cevas. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-36206?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2021-36206 published?: CVE-2021-36206 was published on 2022-10-28 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:johnsoncontrols:cevas:*:*:*:*:*:*:*:*

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →