CVE-2020-37109

aSc TimeTables 2020.11.4 contains a denial of service vulnerability that allows attackers to crash the application by overwriting the Subject title field with a large buffer. Attackers can generate a 1000-character buffer and paste it into the Subject title to trigger an application crash and potential instability.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.asctimetables.com/#!/home
https://www.exploit-db.com/exploits/48133
https://www.vulncheck.com/advisories/asc-timetables-denial-of-service

Configurations

No configuration.

History

15 Apr 2026, 00:35

Type	Values Removed	Values Added
Summary		(es) aSc TimeTables 2020.11.4 contiene una vulnerabilidad de denegación de servicio que permite a los atacantes bloquear la aplicación sobrescribiendo el campo Subject title con un búfer grande. Los atacantes pueden generar un búfer de 1000 caracteres y pegarlo en el Subject title para provocar un bloqueo de la aplicación y una posible inestabilidad.

07 Feb 2026, 00:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-02-07 00:15

Updated : 2026-04-15 00:35

NVD link : CVE-2020-37109

Mitre link : CVE-2020-37109

CVE.ORG link : CVE-2020-37109

JSON object : View

Products Affected

No product.

CWE

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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