CVE-2020-27660

Name: CVE-2020-27660
Creator: NVD / NIST
Published: 2020-11-30T10:15:11.237+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 4.55%

Last modified Jun 17, 2026

CVE-2020-27660 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. SQL injection vulnerability in request.cgi in Synology SafeAccess before 1.2.3-0234 allows remote attackers to execute arbitrary SQL commands via the domain parameter.. EPSS estimates a 4.55% chance of exploitation in the next 30 days.

Description

SQL injection vulnerability in request.cgi in Synology SafeAccess before 1.2.3-0234 allows remote attackers to execute arbitrary SQL commands via the domain parameter.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

4.55%

90.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Synology	Safeaccess	< 1.2.3-0234

References

https://github.com/thomasfady/Synology_SA_20_25Exploit, Third Party Advisory
https://www.synology.com/security/advisory/Synology_SA_20_25Vendor Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1087Exploit, Third Party Advisory
https://github.com/thomasfady/Synology_SA_20_25Exploit, Third Party Advisory
https://www.synology.com/security/advisory/Synology_SA_20_25Vendor Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1087Exploit, Third Party Advisory

Timeline

Published: Nov 30, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-27660?

SQL injection vulnerability in request.cgi in Synology SafeAccess before 1.2.3-0234 allows remote attackers to execute arbitrary SQL commands via the domain parameter.

How severe is CVE-2020-27660?

CVE-2020-27660 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 4.55% probability of exploitation in the next 30 days.

How do I fix CVE-2020-27660?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-27660?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST