CVE-2022-30311 | FESTO: CECC-X-M1 and Servo Press Kit YJKP OS Command Injection vulnerability

In Festo Controller CECC-X-M1 product family in multiple versions, the http-endpoint "cecc-x-refresh-request" POST request doesn’t check for port syntax. This can result in unauthorized execution of system commands with root privileges due to improper access control command injection.

Published: 2022-06-13 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2022-30311 is rated High Risk (66.2/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 0.98%). Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2022-30311

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-11-29 0.65% 0.98% +0.33%
2 2025-11-21 2.83% 0.65% -2.18%
3 2025-11-18 2.83%

Full EPSS history (12 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2022-30311

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.8 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
3.9 5.9 [email protected]
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
10.0 10.0 [email protected]

Weakness enumeration for CVE-2022-30311

Affected software / configurations for CVE-2022-30311

Vendor Product Version Raw CPE
festo controller_cecc-x-m1_firmware <= 3.8.14 cpe:2.3:o:festo:controller_cecc-x-m1_firmware:*:*:*:*:*:*:*:*
festo controller_cecc-x-m1_firmware 4.0.14 cpe:2.3:o:festo:controller_cecc-x-m1_firmware:4.0.14:*:*:*:*:*:*:*
festo controller_cecc-x-m1-mv_firmware <= 3.8.14 cpe:2.3:o:festo:controller_cecc-x-m1-mv_firmware:*:*:*:*:*:*:*:*
festo controller_cecc-x-m1-mv_firmware 4.0.14 cpe:2.3:o:festo:controller_cecc-x-m1-mv_firmware:4.0.14:*:*:*:*:*:*:*
festo controller_cecc-x-m1-mv-s1_firmware <= 3.8.14 cpe:2.3:o:festo:controller_cecc-x-m1-mv-s1_firmware:*:*:*:*:*:*:*:*
festo controller_cecc-x-m1-mv-s1_firmware 4.0.14 cpe:2.3:o:festo:controller_cecc-x-m1-mv-s1_firmware:4.0.14:*:*:*:*:*:*:*
festo controller_cecc-x-m1-ys-l1_firmware <= 3.8.14 cpe:2.3:o:festo:controller_cecc-x-m1-ys-l1_firmware:*:*:*:*:*:*:*:*
festo controller_cecc-x-m1-ys-l2_firmware <= 3.8.14 cpe:2.3:o:festo:controller_cecc-x-m1-ys-l2_firmware:*:*:*:*:*:*:*:*
festo controller_cecc-x-m1-y-yjkp_firmware <= 3.8.14 cpe:2.3:o:festo:controller_cecc-x-m1-y-yjkp_firmware:*:*:*:*:*:*:*:*
festo servo_press_kit_yjkp_firmware <= 3.8.14 cpe:2.3:o:festo:servo_press_kit_yjkp_firmware:*:*:*:*:*:*:*:*
festo servo_press_kit_yjkp-_firmware <= 3.8.14 cpe:2.3:o:festo:servo_press_kit_yjkp-_firmware:*:*:*:*:*:*:*:*

References for CVE-2022-30311

cvelogic Threat Intelligence