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CVE-2020-27660

31
FAUCET Score

CVE-2020-27660 is a critical SQL injection vulnerability affecting Synology SafeAccess versions prior to 1.2.3-0234. This flaw allows unauthenticated remote attackers to execute arbitrary SQL commands by manipulating the 'domain' parameter in request.cgi. With a CVSS score of 9.8, the vulnerability presents a high risk of complete compromise of confidentiality, integrity, and availability. Despite its severity, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.2.3-0234CPE matchmatch criteria
cpe:2.3:a:synology:safeaccess:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.6CRITICAL

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

Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
6.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
4.55%
Probability of exploitation in next 30 days
EPSS Percentile
90.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0456 is in the 84th percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

github.com / thomasfady/Synology_SA_20_25
ExploitThird Party Advisory
synology.com / security/advisory/Synology_SA_20_25
Vendor Advisory
talosintelligence.com / vulnerability_reports/TALOS-2020-1087
ExploitThird Party Advisory