SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-27648

Externally controlled reference to a resource in another sphere in quarantine functionality in Synology Antivirus Essential before 1.4.8-2801 allows remote authenticated users to obtain privilege via unspecified vectors.

HIGH 8.8EPSS 2.84%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (2.84%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Externally controlled reference to a resource in another sphere in quarantine functionality in Synology Antivirus Essential before 1.4.8-2801 allows remote authenticated users to obtain privilege via unspecified vectors.

CVSS 3.1
8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
2.84% probability · 86th percentile
CISA KEV
Not listed
Weakness
CWE-610
Affected
synology/antivirus essential
Source
security@synology.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.