Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2022-21155

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.

Published

2022-04-12T17:15:08.990

Last Modified

2024-11-21T06:44:00.400

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Secondary
CWE-400
Type: Primary
CWE-755

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	fernhillsoftware	scada_server	≤ 3.77	Yes
Application	linux	linux_kernel	-	No
Operating System	apple	macos	-	No
Operating System	microsoft	windows	-	No

References

https://www.cisa.gov/uscert/ics/advisories/icsa-22-006-02 Mitigation, Third Party Advisory, US Government Resource ([email protected])
https://www.cisa.gov/uscert/ics/advisories/icsa-22-006-02 Mitigation, Third Party Advisory, US Government Resource (af854a3a-2127-422b-91ae-364da2661108)