Resource exhaustion in Schneider-Electric Bmxnoc0401
CVE-2017-6017
A Resource Exhaustion issue was discovered in Schneider Electric Modicon M340 PLC BMXNOC0401, BMXNOE0100, BMXNOE0110, BMXNOE0110H, BMXNOR0200H, BMXP341000, BMXP342000, BMXP3420102, BMXP3420102CL, BMXP342020, BMXP342020H, BMXP342030, BMXP3420302, BMXP3420302H, and BMXP342030H. A remote attacker could send a specially crafted set of packets to the PLC causing it to freeze, requiring the operator to physically press the reset button on the PLC in order to recover.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.048 (91.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 91.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.048 · newest: 0.048 · change: 0.000
Affected products
- Schneider-Electric Bmxnoc0401
- Schneider-Electric Bmxnoc0401 Firmware — versions 2.8
- Schneider-Electric Bmxnoe0100
- Schneider-Electric Bmxnoe0100 Firmware — versions 2.8
- Schneider-Electric Bmxnoe0110
- Schneider-Electric Bmxnoe0110 Firmware — versions 2.8
- Schneider-Electric Bmxnoe0110h
- Schneider-Electric Bmxnoe0110h Firmware — versions 2.8
- Schneider-Electric Bmxnor0200h
- Schneider-Electric Bmxnor0200h Firmware — versions 2.8
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.schneider-electric.com/en/download/document/SEVD-2017-048-02/
- www.securityfocus.com/bid/96414 (VDB Entry, Third Party Advisory, vdb-entry)
- ics-cert.us-cert.gov/advisories/ICSA-17-054-03 (US Government Resource, Third Party Advisory, Mitigation)
Frequently asked questions
- What is CVE-2017-6017?
- CVE-2017-6017 is a high-severity vulnerability in Schneider-Electric Bmxnoc0401, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2017-06-30.
- How severe is CVE-2017-6017?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2017-6017 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.