CVE-2021-27320 json
Blind SQL injection in contactus.php in Doctor Appointment System 1.0 allows an unauthenticated attacker to insert malicious SQL queries vi…
published 2021-03-24 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-14080
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 9.3%
- EPSS 9.3% chance of exploitation in 30 days, percentile 95%
- public exploits
- 0
- none known, plus a Nuclei check
Summary
Blind SQL injection in contactus.php in Doctor Appointment System 1.0 allows an unauthenticated attacker to insert malicious SQL queries via firstname parameter.
Exploit prediction
9.30% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Nuclei template Doctor Appointment System 1.0 - SQL Injection nuclei detection template
- packetstormsecurity.com http://packetstormsecurity.com/files/161642/Doctor-Appointment-System-1.0-Blind-SQL-Injection.html referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
Classification
- Weakness
-
- CWE-89 Improper Neutralization of Special Elements used in an SQL Command
References
-
packetstormsecurity.com
/files/161642/Doctor-Appointment-System-1.0-Blind-SQL-Injection.html
exploit, third-party-advisory, vdb-entry
-
sourcecodester.com
/php/14182/doctor-appointment-system.html
product, third-party-advisory
Sources
- CVE List CVE-2021-27320
- NVD CVE-2021-27320
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