CVE-2021-30187
Medium
Published: 25 May 2021
Published
25 May 2021
Modified
15 August 2025
KEV Added
—
Patch
—
CVSS Score v3.1
5.3
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
EPSS Score
0.0012
30.0th percentile
Risk Priority
11
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2021-30187 is a medium-severity OS Command Injection (CWE-78) vulnerability in Wago 750-893 Firmware. Its CVSS base score is 5.3 (Medium).
Operationally, ranked at the 30.0th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-17119
Vulnerability details
CODESYS V2 runtime system SP before 2.4.7.55 has Improper Neutralization of Special Elements used in an OS Command.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
wago
750-893 firmware
≤ fw08
wago
750-891 firmware
≤ fw08
wago
750-890 firmware
≤ fw08
wago
750-889 firmware
≤ fw15
wago
750-885 firmware
≤ fw15
wago
750-882 firmware
≤ fw15
wago
750-881 firmware
≤ fw15
wago
750-880 firmware
≤ fw16
wago
750-862 firmware
≤ fw08
wago
750-852 firmware
≤ fw15
+18 more product configuration(s) — see NVD for full list
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.