PT-2020-16752 · Synology · Synology Safeaccess

Claudio Bozzato · Published 2020-11-30 · Updated 2022-04-12 · CVE-2020-27659

Positive Technologies (AI Summary)

CVSS v3.1

8.4

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Synology SafeAccess versions prior to 1.2.3-0234

Description Multiple cross-site scripting (XSS) vulnerabilities allow remote attackers to inject arbitrary web script or HTML via the domain or profile parameters. This issue enables attackers to execute malicious scripts on the victim's browser, potentially leading to unauthorized actions or data theft.

Recommendations For Synology SafeAccess versions prior to 1.2.3-0234, update to version 1.2.3-0234 or later to resolve the issue. As a temporary workaround, consider restricting access to the vulnerable parameters domain and profile to minimize the risk of exploitation.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2020-27659

Affected Products

Synology Safeaccess

References · 8

• 🔥 https://github.com/thomasfady/Synology_SA_20_25 · Exploit
• 🔥 https://talosintelligence.com/vulnerability_reports/TALOS-2020-1087 · Exploit
• https://osv.dev/vulnerability/CVE-2020-27659 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-27659 · Security Note
• https://synology.com/security/advisory/Synology_SA_20_25 · Vendor Advisory
• https://t.me/cvenotify/7588 · Telegram Post
• https://t.me/cvenotify/6329 · Telegram Post
• https://t.me/cibsecurity/16928 · Telegram Post