Vulnerability · Published Apr 12, 2022 · Assigned by icscert
CVE-2022-21155Fernhill SCADA Uncontrolled Resource Consumption
High 7.5
In plain English
A high-severity uncontrolled resource consumption in SCADA Server from Fernhill. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 66% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)1.1%top 33.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
A specially crafted packet sent to the Fernhill SCADA Server Version 3.77 and earlier may cause an exception, causing the server process (FHSvrService.exe) to exit.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Fernhill | SCADA Server | unspecified – through 3.77 |
Weakness: CWE-400 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
- https://www.cisa.gov/uscert/ics/advisories/icsa-22-006-02 x_refsource_MISC