Vulnerability Description
PHP Event Calendar before 2021-09-03 allows SQL injection, as demonstrated by the /server/ajax/user_manager.php username parameter. This can be used to execute SQL statements directly on the database, allowing an adversary in some cases to completely compromise the database system. It can also be used to bypass the login form.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Kaysongroup | Php Event Calendar | < 2021-09-03 |
Related Weaknesses (CWE)
References
- http://packetstormsecurity.com/files/164777/PHP-Event-Calendar-Lite-Edition-SQL-ExploitThird Party AdvisoryVDB Entry
- https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2021-048.tExploitThird Party Advisory
- http://packetstormsecurity.com/files/164777/PHP-Event-Calendar-Lite-Edition-SQL-ExploitThird Party AdvisoryVDB Entry
- https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2021-048.tExploitThird Party Advisory
FAQ
What is CVE-2021-42077?
CVE-2021-42077 is a vulnerability with a CVSS score of 9.8 (CRITICAL). PHP Event Calendar before 2021-09-03 allows SQL injection, as demonstrated by the /server/ajax/user_manager.php username parameter. This can be used to execute SQL statements directly on the database,...
How severe is CVE-2021-42077?
CVE-2021-42077 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2021-42077?
Check the references section above for vendor advisories and patch information. Affected products include: Kaysongroup Php Event Calendar.