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CVE-2021-27648

CRITICAL
Published 2021-04-28T07:25:14.326823Z
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Expert Analysis

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CVSS Score

V3.1
9.0
/10
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.101
probability
of exploitation in the wild

There is a 10.1% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.927
Higher than 92.7% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Synology

Synology Antivirus Essential

Affected Versions:

unspecified

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-55vq-f28f-xgcc

Advisory Details

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 Scoring

CVSS Score

7.5

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-27648
WEB https://www.synology.com/security/advisory/Synology_SA_21_15

Advisory provided by GitHub Security Advisory Database. Published: May 24, 2022, Modified: May 24, 2022

References

https://www.synology.com/security/advisory/Synology_SA_21_15
Published: 2021-04-28T07:25:14.326823Z
Last Modified: 2024-09-16T16:58:04.591Z
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