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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.503 (98.9th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 98.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.503 · newest: 0.503 · change: 0.000
Affected products
- Advantech Webaccess
- Advantech Webaccess — versions Advantech WebAccess
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.exploit-db.com/exploits/44278/ (Exploit, VDB Entry, Third Party Advisory, exploit)
- www.securityfocus.com/bid/102424 (VDB Entry, Third Party Advisory, vdb-entry)
- ics-cert.us-cert.gov/advisories/ICSA-18-004-02 (US Government Resource, Third Party Advisory, Broken Link)
- www.tenable.com/security/research/tra-2018-23 (Third Party Advisory)
- www.zerodayinitiative.com/advisories/ZDI-18-024/ (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.