Buffer overflow in Schneider Electric Triconex Tricon
CVE-2018-7522
In Schneider Electric Triconex Tricon MP model 3008 firmware versions 10.0-10.4, when a system call is made, registers are stored to a fixed memory location. Modifying the data in this location could allow attackers to gain supervisor-level access and control system states.
Vulnerability class: Buffer Overflow
EPSS: 0.004 (35.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Schneider Electric Triconex Tricon — versions MP model 3008 firmware versions 10.0-10.4
- Schneider-electric Triconex_tricon_mp_3008
- Schneider-electric Triconex_tricon_mp_3008_firmware
Weakness classification (CWE)
References
- ics-cert@hq.dhs.gov (x_refsource_CONFIRM, Vendor Advisory)
- ics-cert@hq.dhs.gov (US Government Resource, Third Party Advisory, x_refsource_MISC)
- ics-cert@hq.dhs.gov (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
Frequently asked questions
- What is CVE-2018-7522?
- CVE-2018-7522 is a medium-severity vulnerability in Schneider Electric Triconex Tricon, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.7/10. Published 2018-05-04.
- How severe is CVE-2018-7522?
- Medium severity. CVSS v3 base score is 6.7 out of 10.