SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-15705

WADashboard API in Advantech WebAccess 8.3.1 and 8.3.2 allows remote authenticated attackers to write or overwrite any file on the filesystem due to a directory traversal vulnerability in the writeFile API.

EXPLOITMEDIUM 6.5EPSS 12.2%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 12.2%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.

Description

WADashboard API in Advantech WebAccess 8.3.1 and 8.3.2 allows remote authenticated attackers to write or overwrite any file on the filesystem due to a directory traversal vulnerability in the writeFile API. An attacker can use this vulnerability to remotely execute arbitrary code.

CVSS 3.0
6.5 MEDIUMCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
EPSS
12.24% probability · 96th percentile
Public exploits
1 in Exploit-DB · first 5 November 2018
CISA KEV
Not listed
Weakness
CWE-22
Affected
advantech/webaccess
Source
vulnreport@tenable.com
EPSS trend
0%8%15%27 October 2026: 12.24%27 October 202627 October 2026

EPSS 12.2% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-45774source ↗Advantech WebAccess SCADA 8.3.2 - Remote Code Executionasp · Chris Lynewebapps5 November 2018no

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.