Path Traversal in Advantech Webaccess
CVE-2017-16720
A Path Traversal issue was discovered in WebAccess versions 8.3.2 and earlier. An attacker has access to files within the directory structure of the target device.
Vulnerability class: Path Traversal (Directory Traversal)
EPSS: 0.503 (98.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Advantech Webaccess
- N/a Advantech Webaccess — versions Advantech WebAccess
Weakness classification (CWE)
Public proof-of-concept exploits
References
- ics-cert@hq.dhs.gov (Exploit, VDB Entry, Third Party Advisory, exploit, x_refsource_EXPLOIT-DB)
- 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, Broken Link)
- ics-cert@hq.dhs.gov (Third Party Advisory, x_refsource_MISC)
- nvd@nist.gov (Third Party Advisory)
Frequently asked questions
- What is CVE-2017-16720?
- CVE-2017-16720 is a critical-severity vulnerability in Advantech Webaccess, classified under Path Traversal. CVSS score: 9.8/10. Published 2018-01-05.
- How severe is CVE-2017-16720?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2017-16720 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.