CVE-2023-1620
WAGO: DoS in multiple products in multiple versions using Codesys
Multiple WAGO devices in multiple versions may allow an authenticated remote attacker with high privileges to DoS the device by sending a specifically crafted packet to the CODESYS V2 runtime.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
WAGO: DoS in multiple products in multiple versions using Codesys
Multiple WAGO devices in multiple versions may allow an authenticated remote attacker with high privileges to DoS the device by sending a specifically crafted packet to the CODESYS V2 runtime.
- Record
CVE-2023-1620- CVSS 3.1
- 4.9 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-1288
- Updated
- 2026-11-02
EUVDEUVD-2023-23852
Multiple WAGO devices in multiple versions may allow an authenticated remote attacker with high privileges to DoS the device by sending a specifically crafted packet to the CODESYS V2 runtime.
- Record
EUVD-2023-23852- CVSS 3.1
- 4.9 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-vhfw-j3c3-cmgg
Multiple WAGO devices in multiple versions may allow an authenticated remote attacker with high...
Multiple WAGO devices in multiple versions may allow an authenticated remote attacker with high privileges to DoS the device by sending a specifically crafted packet to the CODESYS V2 runtime.
- Record
GHSA-vhfw-j3c3-cmgg- CVSS 3.1
- 4.9 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-20, CWE-1288
- Updated
- 2026-11-02
NVD
Multiple WAGO devices in multiple versions may allow an authenticated remote attacker with high privileges to DoS the device by sending a specifically crafted packet to the CODESYS V2 runtime.
- Record
CVE-2023-1620- CVSS 3.1
- 4.9 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-1288
- Updated
- 2026-11-02
Affected products
- wago 750-331
- wago 750-331 firmware
- wago 750-332
- wago 750-8202/xxx-xxx
- wago 750-8202\/000-011 firmware
- wago 750-8202\/000-012 firmware
- wago 750-8202\/000-022 firmware
- wago 750-8202\/025-000 firmware
- wago 750-8202\/025-001 firmware
- wago 750-8202\/025-002 firmware
- wago 750-8202\/040-000 firmware
- wago 750-8202\/040-001 firmware
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- wago 750-8202 firmware
- wago 750-8203/xxx-xxx
- wago 750-8203\/025-000 firmware
- wago 750-8203 firmware
- wago 750-8204/xxx-xxx
- wago 750-8204\/025-000 firmware
- wago 750-8204 firmware
- wago 750-8206/xxx-xxx
- wago 750-8206\/025-000 firmware
- wago 750-8206\/025-001 firmware
- wago 750-8206\/040-000 firmware
- wago 750-8206\/040-001 firmware
- wago 750-8206 firmware
- wago 750-8207/xxx-xxx
- wago 750-8207\/025-000 firmware
- wago 750-8207\/025-001 firmware
- wago 750-8207 firmware
- wago 750-8208/xxx-xxx
- wago 750-8208\/025-000 firmware
- wago 750-8208\/025-001 firmware
- wago 750-8208 firmware
- wago 750-8210/xxx-xxx
- wago 750-8210\/025-000 firmware
- wago 750-8210\/040-000 firmware
- wago 750-8210 firmware
- wago 750-8211/xxx-xxx
- wago 750-8211\/040-000 firmware
- wago 750-8211\/040-001 firmware
- wago 750-8211 firmware
- wago 750-8212/xxx-xxx
- wago 750-8212\/000-100 firmware
- wago 750-8212\/025-000 firmware
- wago 750-8212\/025-001 firmware
- wago 750-8212\/025-002 firmware
- wago 750-8212\/040-000 firmware
- wago 750-8212\/040-001 firmware
- wago 750-8212\/040-010 firmware
- wago 750-8212 firmware
- wago 750-8213/xxx-xxx
- wago 750-8213\/040-010 firmware
- wago 750-8213 firmware
- wago 750-8214/xxx-xxx
- wago 750-8214 firmware
- wago 750-8215 firmware
- wago 750-8216/xxx-xxx
- wago 750-8216\/025-000 firmware
- wago 750-8216\/025-001 firmware
- wago 750-8216\/040-000 firmware
- wago 750-8216 firmware
- wago 750-8217/xxx-xxx
- wago 750-8217\/025-000 firmware
- wago 750-8217\/600-000 firmware
- wago 750-8217\/625-000 firmware
- wago 750-8217 firmware
- wago 750-823
- wago 750-823 firmware
- wago 750-829
- wago 750-829 firmware
- wago 750-831/xxx-xxx
- wago 750-831\/000-002 firmware
- wago 750-831 firmware
- wago 750-832/xxx-xxx
- wago 750-832\/000-002 firmware
- wago 750-832 firmware
- wago 750-852
- wago 750-852 firmware
- wago 750-862
- wago 750-862 firmware
- wago 750-880/xxx-xxx
- wago 750-880\/025-000 firmware
- wago 750-880\/025-001 firmware
- wago 750-880\/025-002 firmware
- wago 750-880\/040-000 firmware
- wago 750-880 firmware
- wago 750-881
- wago 750-881 firmware
- wago 750-882
- wago 750-882 firmware
- wago 750-885/xxx-xxx
- wago 750-885\/025-000 firmware
- wago 750-885 firmware
- wago 750-889
- wago 750-889 firmware
- wago 750-890/xxx-xxx
- wago 750-890\/025-000 firmware
- wago 750-890\/025-001 firmware
- wago 750-890\/025-002 firmware
- wago 750-890\/040-000 firmware
- wago 750-890 firmware
- wago 750-891
- wago 750-891 firmware
- wago 750-893
- wago 750-893 firmware
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-2023-1620 is a medium vulnerability (CVSS 4.9) in Wago 750-331, published June 26, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.85%, the 58th percentile. No source names a fixed version.