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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.004 (34.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 34.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: -0.000
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
- www.schneider-electric.com/en/download/document/SEVD-2017-347-01/ (Vendor Advisory)
- ics-cert.us-cert.gov/advisories/ICSA-18-107-02 (US Government Resource, Third Party Advisory)
- www.securityfocus.com/bid/103947 (VDB Entry, Third Party Advisory, vdb-entry)
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.