CVE-2017-16720
CriticalPublic exploitA Path Traversal issue was discovered in WebAccess versions 8.3.2 and earlier.
Published Jan 5, 2018 · Updated Nov 21, 2024
Key Facts
Patch immediately- CVE-2017-16720 is a critical-severity vulnerability (CVSS 9.8 v3) affecting Webaccess (Advantech).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 50% probability of exploitation in the next 30 days.
- Fixed versions are available, including Webaccess <=8.3.2, Webaccess 8.3.2.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v3
9.8
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
50%
Higher than 98.8% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2017-16720 brief as a PDF
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Description
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.
Affected Products
2 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| WebaccessAdvantech | >= Advantech WebAccess | 8.3.2 |
Patched Releases
Webaccess
<=8.3.2
Timeline
Publicly disclosed
Jan 5, 2018
Last updated
Nov 21, 2024
Weakness Type
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
References
- advisoryhttps://ics-cert.us-cert.gov/advisories/ICSA-18-004-02
- advisoryhttps://www.tenable.com/security/research/tra-2018-23
- advisoryhttps://www.zerodayinitiative.com/advisories/ZDI-18-024/
- advisory102424
- exploitExploitDB-44278
FAQ
Common Questions.
A Path Traversal issue was discovered in WebAccess versions 8.3.2 and earlier.
Affected: Webaccess (Advantech) versions >= Advantech WebAccess. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Webaccess <=8.3.2, Webaccess 8.3.2.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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