PT-2021-17580 · Synology · Synology Antivirus Essential

Jose Hares · Published 2021-04-28 · Updated 2021-05-12 · CVE-2021-27648

Positive Technologies (AI Summary)

CVSS v3.1

9.0

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Synology Antivirus Essential versions prior to 1.4.8-2801

Description The issue allows remote authenticated users to obtain privilege via unspecified vectors due to an externally controlled reference to a resource in another sphere in quarantine functionality.

Recommendations For versions prior to 1.4.8-2801, update to version 1.4.8-2801 or later to resolve the issue. As a temporary workaround, consider restricting access to the quarantine functionality until a patch is applied.

Fix

Weakness Enumeration

CWE-610

Related Identifiers

CVE-2021-27648

Affected Products

Synology Antivirus Essential

References · 4

• https://osv.dev/vulnerability/CVE-2021-27648 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-27648 · Security Note
• https://synology.com/security/advisory/Synology_SA_21_15 · Vendor Advisory
• https://t.me/cvenotify/13845 · Telegram Post