CVE-2022-30791
CODESYS V3: CmpBlkDrvTcp allows unauthenticated attackers to block all its available TCP connections
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
CODESYS V3: CmpBlkDrvTcp allows unauthenticated attackers to block all its available TCP connections
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.
- Record
CVE-2022-30791- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-400
- Updated
- 2026-11-02
EUVDEUVD-2022-52614
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.
- Record
EUVD-2022-52614- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-cxc2-v3v8-ggcp
In CmpBlkDrvTcp of CODESYS V3 in multiple versions an uncontrolled ressource consumption allows...
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.
- Record
GHSA-cxc2-v3v8-ggcp- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L - Weakness
- CWE-400
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2022-30791- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-400
- Updated
- 2026-11-02
Affected products
- codesys control for beaglebone sl
- codesys control for beckhoff cx9020 sl
- codesys control for empc-a/imx6 sl
- codesys control for iot2000 sl
- codesys control for linux sl
- codesys control for pfc100 sl
- codesys control for pfc200 sl
- codesys control for plcnext sl
- codesys control for raspberry pi sl
- codesys control for wago touch panels 600 sl
- codesys control rte (for beckhoff cx) sl
- codesys control rte (sl)
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- codesys control runtime system toolkit
- codesys control win (sl)
- codesys development system v3
- codesys edge gateway for linux
- codesys edge gateway for windows
- codesys embedded target visu toolkit
- codesys gateway
- codesys hmi (sl)
- codesys remote target visu toolkit
- codesys control for beaglebone
- codesys control for empc-a\/imx6
- codesys control for plcnext
- codesys control for wago touch panels 600
- codesys control rte sl
- codesys control rte sl \(for beckhoff cx\)
- codesys control win
- codesys development system
- codesys edge gateway
- codesys hmi
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2022-30791 is a high vulnerability (CVSS 7.5) in Codesys Control For Beaglebone Sl, published July 11, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.89%, the 59th percentile. No source names a fixed version.