CVE-2016-0854
CVE-2016-0854 is a critical-severity vulnerability in Advantech Webaccess with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 77% places it in the 99th percentile, indicating an elevated likelihood of exploitation.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 10.0
- EPSS exploit prediction: 77% (99th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Advantech Webaccess
- Published:
- Last modified:
Description
Unrestricted file upload vulnerability in the uploadImageCommon function in the UploadAjaxAction script in the WebAccess Dashboard Viewer in Advantech WebAccess before 8.1 allows remote attackers to write to files of arbitrary types via unspecified vectors.
Frequently asked questions
- What is CVE-2016-0854?
- Unrestricted file upload vulnerability in the uploadImageCommon function in the UploadAjaxAction script in the WebAccess Dashboard Viewer in Advantech WebAccess before 8.1 allows remote attackers to write to files of arbitrary types via unspecified vectors.
- How severe is CVE-2016-0854?
- CVE-2016-0854 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2016-0854 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 77% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2016-0854?
- CVE-2016-0854 affects Advantech Webaccess. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2016-0854?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2016-0854 published?
- CVE-2016-0854 was published on 2016-01-15 and last updated on 2026-06-17.
References
- http://www.rapid7.com/db/modules/exploit/windows/scada/advantech_webaccess_dashboard_file_upload
- http://www.zerodayinitiative.com/advisories/ZDI-16-127
- http://www.zerodayinitiative.com/advisories/ZDI-16-128
- http://www.zerodayinitiative.com/advisories/ZDI-16-129
- https://ics-cert.us-cert.gov/advisories/ICSA-16-014-01
- https://www.exploit-db.com/exploits/39735/
Affected products (1)
- cpe:2.3:a:advantech:webaccess:*:*:*:*:*:*:*:*
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