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Fencer Intel
critical 9.8

CVE-2021-27314 in the critical feed json

SQL injection in admin.php in doctor appointment system 1.0 allows an unauthenticated attacker to insert malicious SQL queries via username…

published 5y ago modified 4mo ago also EUVD-2021-14074

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
12.4%
EPSS 12.4% chance of exploitation in 30 days, percentile 96%
public exploits
0
none known, plus a Nuclei check

Summary

SQL injection in admin.php in doctor appointment system 1.0 allows an unauthenticated attacker to insert malicious SQL queries via username parameter at login page.

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Exploit prediction

12.39% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • Nuclei template Doctor Appointment System 1.0 - SQL Injection nuclei detection template
  • packetstormsecurity.com https://packetstormsecurity.com/files/161641/Doctor-Appointment-System-1.0-SQL-Injection.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
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 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

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.