CVE-2021-34567
High
Published: 09 November 2022
Published
09 November 2022
Modified
21 November 2024
KEV Added
—
Patch
—
CVSS Score v3.1
8.2
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
EPSS Score
0.0090
76.2th percentile
Risk Priority
17
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2021-34567 is a high-severity Out-of-bounds Read (CWE-125) vulnerability in Wago 750-8100 Firmware. Its CVSS base score is 8.2 (High).
Operationally, ranked in the top 23.8% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-21217
Vulnerability details
In WAGO I/O-Check Service in multiple products an unauthenticated remote attacker can send a specially crafted packet containing OS commands to provoke a denial of service and an limited out-of-bounds read.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
wago
750-8100 firmware
18 · ≤ 18
wago
750-8101 firmware
18 · ≤ 18
wago
750-8101\/025-000 firmware
18 · ≤ 18
wago
750-8102 firmware
18 · ≤ 18
wago
750-8102\/025-000 firmware
18 · ≤ 18
wago
750-8202 firmware
18 · ≤ 18
wago
750-8202\/000-011 firmware
18 · ≤ 18
wago
750-8202\/000-012 firmware
18 · ≤ 18
wago
750-8202\/000-022 firmware
18 · ≤ 18
wago
750-8202\/025-000 firmware
18 · ≤ 18
+39 more product configuration(s) — see NVD for full list
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.