CVE-2022-22309

Severity: medium (CVSS 6.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-05-24 · updated 2026-06-17
Weakness: CWE-306

Description

The POWER systems FSP is vulnerable to unauthenticated logins through the serial port/TTY interface. This vulnerability can be more critical if the serial port is connected to a serial-over-lan device. IBM X-Force ID: 217095.

Affected products

IBM Power System S922 Server: from 860 before 860.b0; from 940 before 940.60; from 950 before 950.40 — fixed in 860.b0, 940.60, 950.40

How to fix

Upgrade to a fixed version: IBM Power System S922 Server 860.b0, 940.60, 950.40. Check the vendor advisory for mitigations.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/217095
https://www.ibm.com/support/pages/node/6589099
https://exchange.xforce.ibmcloud.com/vulnerabilities/217095
https://www.ibm.com/support/pages/node/6589099

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