CVE-2022-30791
HIGHCVSS 7.5/10EPSS 0.76%
Last modified
CVE-2022-30791 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. In CmpBlkDrvTcp of CODESYS V3 in multiple versions an uncontrolled ressource consumption allows an unauthorized attacker to block new TCP connections. Existing connections are not affected.. EPSS estimates a 0.76% chance of exploitation in the next 30 days.
Description
In CmpBlkDrvTcp of CODESYS V3 in multiple versions an uncontrolled ressource consumption allows an unauthorized attacker to block new TCP connections. Existing connections are not affected.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Codesys | Control For Beaglebone | < 4.5.0.0 |
| Codesys | Control For Empc-A\/Imx6 | < 4.5.0.0 |
| Codesys | Control For Iot2000 Sl | < 4.6.0.0 |
| Codesys | Control For Linux Sl | < 4.5.0.0 |
| Codesys | Control For Pfc100 Sl | < 4.5.0.0 |
| Codesys | Control For Pfc200 Sl | < 4.5.0.0 |
| Codesys | Control For Plcnext | < 4.6.0.0 |
| Codesys | Control For Raspberry Pi Sl | < 4.5.0.0 |
| Codesys | Control For Wago Touch Panels 600 | < 4.5.0.0 |
| Codesys | Control Rte Sl | < 3.5.18.20 |
| Codesys | Control Rte Sl \(For Beckhoff Cx\) | < 3.5.18.20 |
| Codesys | Control Runtime System Toolkit | < 3.5.18.20 |
| Codesys | Control Win | < 3.5.18.20 |
| Codesys | Development System | < 3.5.18.20 |
| Codesys | Edge Gateway | < 3.5.18.20 |
| Codesys | Edge Gateway | < 4.5.0.0 |
| Codesys | Embedded Target Visu Toolkit | < 3.5.18.20 |
| Codesys | Gateway | < 3.5.18.20 |
| Codesys | Hmi | < 3.5.18.20 |
| Codesys | Remote Target Visu Toolkit | < 3.5.18.20 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2022-30791?
In CmpBlkDrvTcp of CODESYS V3 in multiple versions an uncontrolled ressource consumption allows an unauthorized attacker to block new TCP connections. Existing connections are not affected.
How severe is CVE-2022-30791?
CVE-2022-30791 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.76% probability of exploitation in the next 30 days.
How do I fix CVE-2022-30791?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2022-30791?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST