CVE-2023-3127

moderate-risk

Published 2023-07-11

An unauthenticated user could log into iSTAR Ultra, iSTAR Ultra LT, iSTAR Ultra G2, and iSTAR Edge G2 with administrator rights.

Do I need to act?

0.17% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 7.5/10 High

ADJACENT_NETWORK / HIGH complexity

Istar Ultra Firmware

Istar Ultra Lt Firmware

Istar Ultra G2 Firmware

Edge G2 Firmware

Johnsoncontrols

Third Party Advisory https://www.cisa.gov/news-events/ics-advisories/icsa-23-192-02

Vendor Advisory https://www.johnsoncontrols.com/cyber-solutions/security-advisories

Third Party Advisory https://www.cisa.gov/news-events/ics-advisories/icsa-23-192-02

Vendor Advisory https://www.johnsoncontrols.com/cyber-solutions/security-advisories

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moderate-risk

Severity 20/34 · Moderate

Exploitability 1/34 · Minimal

Exposure 14/34 · Moderate