CVE-2023-1620 json
WAGO: DoS in multiple products in multiple versions using Codesys
published 2023-06-26 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-23852
- cvss
- 4.9
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 58%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- wago 750-331_firmware fw17
- wago 750-8202_firmware fw22
- wago 750-8202/000-011_firmware fw22
- wago 750-8202/000-012_firmware fw22
- wago 750-8202/000-022_firmware fw22
- wago 750-8202/025-000_firmware fw22
- wago 750-8202/025-001_firmware fw22
- wago 750-8202/025-002_firmware fw22
- wago 750-8202/040-000_firmware fw22
- wago 750-8202/040-001_firmware fw22
- wago 750-8203_firmware fw22
- wago 750-8203/025-000_firmware fw22
- wago 750-8204_firmware fw22
- wago 750-8204/025-000_firmware fw22
- wago 750-8206_firmware fw22
- wago 750-8206/025-000_firmware fw22
- wago 750-8206/025-001_firmware fw22
- wago 750-8206/040-000_firmware fw22
- wago 750-8206/040-001_firmware fw22
- wago 750-8207_firmware fw22
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
0.85% chance of exploitation in the next 30 days, higher than 58% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 4.9 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H |
| NVD | 3.1 | 4.9 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H |
Affected products
- Wago 750-8202/xxx-xxx
- Wago 750-8203/xxx-xxx
- Wago 750-8204/xxx-xxx
- Wago 750-8206/xxx-xxx
- Wago 750-8207/xxx-xxx
- Wago 750-8208/xxx-xxx
- Wago 750-8210/xxx-xxx
- Wago 750-8211/xxx-xxx
- Wago 750-8212/xxx-xxx
- Wago 750-8213/xxx-xxx
- Wago 750-8214/xxx-xxx
- Wago 750-8216/xxx-xxx
- Wago 750-8217/xxx-xxx
- Wago 750-823
- Wago 750-332
- Wago 750-832/xxx-xxx
- Wago 750-862
- Wago 750-890/xxx-xxx
- Wago 750-891
- Wago 750-893
- Wago 750-331
- Wago 750-829
- Wago 750-831/xxx-xxx
- Wago 750-852
- Wago 750-880/xxx-xxx
- Wago 750-881
- Wago 750-882
- Wago 750-885/xxx-xxx
- Wago 750-889
Classification
- Weakness
-
- CWE-1288 Improper Validation of Consistency within Input
References
-
cert.vde.com
/en/advisories/VDE-2023-006/
vendor-advisory, mitigation, third-party-advisory
Sources
- CVE List CVE-2023-1620
- NVD CVE-2023-1620
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.