Privilege escalation in Advantech Webaccess
CVE-2018-8841
In Advantech WebAccess versions V8.2_20170817 and prior, WebAccess versions V8.3.0 and prior, WebAccess Dashboard versions V.2.0.15 and prior, WebAccess Scada Node versions prior to 8.3.1, and WebAccess/NMS 2.0.3 and prior, an improper privilege management vulnerability may allow an authenticated user to modify files when read access should only be given to the user.
Vulnerability class: Privilege Escalation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (26.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 27th percentile — 26.9% 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
- Advantech Webaccess — versions WebAccess versions V8.2_20170817 and prior, WebAccess versions V8.3.0 and prior, WebAccess Dashboard versions V.2.0.15 and prior, WebAccess Scada Node versions prior to 8.3.1, WebAccess/NMS 2.0.3 and prior.
- Advantech Webaccess Dashboard
- Advantech Webaccess\/nms
- Advantech Webaccess Scada
Weakness classification (CWE)
References
- www.securityfocus.com/bid/104190 (VDB Entry, Third Party Advisory, vdb-entry)
- ics-cert.us-cert.gov/advisories/ICSA-18-135-01 (US Government Resource, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-8841?
- CVE-2018-8841 is a high-severity vulnerability in Advantech Webaccess, classified under Improper Privilege Management. CVSS score: 7.8/10. Published 2018-05-15.
- How severe is CVE-2018-8841?
- High severity. CVSS v3 base score is 7.8 out of 10.