CVE-2022-21941
CVE-2022-21941 is a critical-severity vulnerability in Johnsoncontrols Istar Ultra Firmware 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-77.
Key facts
- Severity: Critical (CVSS 3.x base score 10.0)
- EPSS exploit prediction: 2% (78th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-77
- Affected product: Johnsoncontrols Istar Ultra Firmware
- Published:
- Last modified:
Description
All versions of iSTAR Ultra prior to version 6.8.9.CU01 are vulnerable to a command injection that could allow an unauthenticated user root access to the system.
Frequently asked questions
- What is CVE-2022-21941?
- All versions of iSTAR Ultra prior to version 6.8.9.CU01 are vulnerable to a command injection that could allow an unauthenticated user root access to the system.
- How severe is CVE-2022-21941?
- CVE-2022-21941 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 high.
- Is CVE-2022-21941 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2022-21941?
- CVE-2022-21941 affects Johnsoncontrols Istar Ultra Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2022-21941?
- 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-2022-21941 published?
- CVE-2022-21941 was published on 2022-08-31 and last updated on 2026-06-17.
References
- https://www.cisa.gov/uscert/ics/advisories/icsa-22-242-11
- https://www.johnsoncontrols.com/cyber-solutions/security-advisories
Affected products (1)
- cpe:2.3:o:johnsoncontrols:istar_ultra_firmware:*:*:*:*:*:*:*:*
More vulnerabilities in Johnsoncontrols Istar Ultra Firmware
- CVE-2023-3127 — High (CVSS 7.5): An unauthenticated user could log into iSTAR Ultra, iSTAR Ultra LT, iSTAR Ultra G2, and iSTAR Edge G2 with…
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