PT-2020-12258 · Advantech · Webaccess/Nms

Rgod · Published 2020-04-08 · Updated 2020-04-10 · CVE-2020-10631

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Advantech WebAccess/NMS versions prior to 3.0.2

Description An attacker could use a specially crafted URL to delete or read files outside the WebAccess/NMS's control. This issue allows for directory traversal, potentially leading to information disclosure and denial-of-service.

Recommendations For versions prior to 3.0.2, update to version 3.0.2 or later to resolve the issue. As a temporary workaround, consider restricting access to the download.jsp endpoint until a patch is available. Avoid using specially crafted URLs that could exploit the directory traversal vulnerability.

Fix

Relative Path Traversal

Path traversal

Weakness Enumeration

CWE-23

CWE-22

Related Identifiers

CVE-2020-10631

ZDI-20-384

Affected Products

Webaccess/Nms

References · 5

• https://zerodayinitiative.com/advisories/ZDI-20-384 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2020-10631 · Security Note
• https://osv.dev/vulnerability/CVE-2020-10631 · Vendor Advisory
• https://t.me/cvenotify/2623 · Telegram Post
• https://us-cert.gov/ics/advisories/icsa-20-098-01 · Note