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)
EPSS: 0.048 (91.0th percentile) — read the EPSS interpretation.
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.
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
- ics-cert@hq.dhs.gov (x_refsource_CONFIRM)
- ics-cert@hq.dhs.gov (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- ics-cert@hq.dhs.gov (US Government Resource, Third Party Advisory, x_refsource_MISC, 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.