Skip to content
Fencer Intel
critical 9.6

CVE-2020-27660 json

SQL injection vulnerability in request.cgi in Synology SafeAccess before 1.2.3-0234 allows remote attackers to execute arbitrary SQL comman…

published 5y ago modified 4mo ago also EUVD-2020-20167

cvss
9.6
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
4.6%
EPSS 4.6% chance of exploitation in 30 days, percentile 91%
public exploits
0
none known

Summary

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.

Patch / fix

  • Synology Safe Access 1.2.3-0234

Is CVE-2020-27660 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Exploit prediction

4.61% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • talosintelligence.com https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1087 referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/thomasfady/Synology_SA_20_25 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 9.6 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected products

  • Synology Safe Access

Classification

Weakness
  • CWE-89 Improper Neutralization of Special Elements used in an SQL Command

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.