Vulnerability in Schneider-Electric Modicon M221
CVE-2018-7798
A Insufficient Verification of Data Authenticity (CWE-345) vulnerability exists in the Modicon M221, all versions, which could cause a change of IPv4 configuration (IP address, mask and gateway) when remotely connected to the device.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L.
EPSS exploit prediction
EPSS: 0.007 (50.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 50.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- Schneider-Electric Modicon M221
- Schneider-Electric Somachine Basic
- Schneider Electric Se Modicon M221, All Versions — versions Modicon M221, All Versions
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securityfocus.com/bid/105970 (VDB Entry, Third Party Advisory, vdb-entry)
- www.schneider-electric.com/en/download/document/SEVD-2018-270-01/ (Mitigation, Vendor Advisory)
Frequently asked questions
- What is CVE-2018-7798?
- CVE-2018-7798 is a high-severity vulnerability in Schneider-Electric Modicon M221, classified under Insufficient Verification of Data Authenticity. CVSS score: 8.2/10. Published 2018-11-02.
- How severe is CVE-2018-7798?
- High severity. CVSS v3 base score is 8.2 out of 10.
- Is CVE-2018-7798 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.