CVE-2021-27320
Blind SQL injection in contactus.php in Doctor Appointment System 1.0 allows an unauthenticated...
Blind SQL injection in contactus.php in Doctor Appointment System 1.0 allows an unauthenticated attacker to insert malicious SQL queries via firstname parameter.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
Blind SQL injection in contactus.php in Doctor Appointment System 1.0 allows an unauthenticated attacker to insert malicious SQL queries via firstname parameter.
- Record
CVE-2021-27320- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-89
- Updated
- 2026-11-02
CVE List No score
Blind SQL injection in contactus.php in Doctor Appointment System 1.0 allows an unauthenticated attacker to insert malicious SQL queries via firstname parameter.
- Record
CVE-2021-27320- Updated
- 2026-11-02
EUVDEUVD-2021-14080 No score
Blind SQL injection in contactus.php in Doctor Appointment System 1.0 allows an unauthenticated attacker to insert malicious SQL queries via firstname parameter.
- Record
EUVD-2021-14080- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-77gm-q5wx-g4m8 No score
Blind SQL injection in contactus.php in Doctor Appointment System 1.0 allows an unauthenticated...
Blind SQL injection in contactus.php in Doctor Appointment System 1.0 allows an unauthenticated attacker to insert malicious SQL queries via firstname parameter.
- Record
GHSA-77gm-q5wx-g4m8- Weakness
- CWE-89
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Nuclei | Doctor Appointment System 1.0 - SQL Injection |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, Nuclei, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-27320 is a high vulnerability (CVSS 7.5) in Doctor Appointment System Project Appointment System, published March 24, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 9.30%, the 95th percentile. No source names a fixed version.