cbcvebase.
CVE-2019-6519
published 2019-02-05

CVE-2019-6519: WebAccess/SCADA, Version 8.3. An improper authentication vulnerability exists that could allow a possible authentication bypass allowing an attacker to upload…

PriorityP265critical9.8CVSS 3.0
AVNACLPRNUINSUCHIHAH
EPSS
2.81%
84.7th percentile
WebAccess/SCADA, Version 8.3. An improper authentication vulnerability exists that could allow a possible authentication bypass allowing an attacker to upload malicious data.

Affected

2 ranges
VendorProductVersion rangeFixed in
advantechwebaccess_scada
googlechrome_chrome

Detection & IOCsextracted from sources · hover to see the quote

  • CVE-2019-6519 affects Advantech WebAccess/SCADA Version 8.3 specifically; detection should target this version for improper authentication allowing unauthenticated malicious data upload
  • The vulnerability is remotely exploitable with no authentication required (CVSS PR:N, UI:N), meaning unauthenticated upload requests to WebAccess/SCADA 8.3 endpoints should be flagged
  • No known public exploits were identified at time of advisory; monitor for anomalous unauthenticated file upload activity targeting WebAccess/SCADA
  • ·Only WebAccess/SCADA Version 8.3 is confirmed affected; Version 8.3.5 is the patched release
  • ·CVSS v3 base score is 9.8 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H), indicating full network-accessible exploitation with no privileges or user interaction required

CVSS provenance

nvdv3.09.8CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvdv2.07.5HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
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