Auth bypass in Socomec Diris Digiware M-70
CVE-2025-20085
A denial of service vulnerability exists in the Modbus RTU over TCP functionality of Socomec DIRIS Digiware M-70 1.6.9. A specially crafted network packet can lead to denial of service and weaken credentials resulting in default documented credentials being applied to the device. An attacker can send an unauthenticated packet to trigger this vulnerability.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (25.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 25.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000
Affected products
- Socomec Diris Digiware M-70 — versions 1.6.9
- Socomec Diris M-70
- Socomec Diris M-70 Firmware — versions 1.6.9
Weakness classification (CWE)
References
- talosintelligence.com/vulnerability_reports/TALOS-2025-2138 (Vendor Advisory)
- www.socomec.fr/sites/default/files/2025-04/CVE-2025-20085---Diris-Digiware-Webv… (Vendor Advisory)
- af854a3a-2127-422b-91ae-364da2661108 (Vendor Advisory)
Frequently asked questions
- What is CVE-2025-20085?
- CVE-2025-20085 is a high-severity vulnerability in Socomec Diris Digiware M-70, classified under Missing Authentication for Critical Function. CVSS score: 7.2/10. Published 2025-12-01.
- How severe is CVE-2025-20085?
- High severity. CVSS v3 base score is 7.2 out of 10.