CVE-2020-36943

aSc TimeTables 2021.6.2 contains a denial of service vulnerability that allows attackers to crash the application by overwriting subject title fields with excessive data. Attackers can generate a 10,000-character buffer and paste it into the subject title to trigger application instability and potential crash.

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.asctimetables.com/#!/home/download
https://www.exploit-db.com/exploits/49147
https://www.vulncheck.com/advisories/asc-timetables-denial-of-service
https://www.exploit-db.com/exploits/49147

Configurations

No configuration.

History

15 Apr 2026, 00:35

Type	Values Removed	Values Added
Summary		(es) aSc TimeTables 2021.6.2 contiene una vulnerabilidad de denegación de servicio que permite a los atacantes colapsar la aplicación sobrescribiendo los campos de título de asignatura con datos excesivos. Los atacantes pueden generar un búfer de 10.000 caracteres y pegarlo en el título de la asignatura para desencadenar inestabilidad de la aplicación y un posible colapso.

29 Jan 2026, 19:16

Type	Values Removed	Values Added
References	~~() https://www.exploit-db.com/exploits/49147 -~~	() https://www.exploit-db.com/exploits/49147 -

28 Jan 2026, 18:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-01-28 18:16

Updated : 2026-04-15 00:35

NVD link : CVE-2020-36943

Mitre link : CVE-2020-36943

CVE.ORG link : CVE-2020-36943

JSON object : View

Products Affected

No product.

CWE

CWE-770

Allocation of Resources Without Limits or Throttling

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