CVE-2020-37109

HIGH 7.5

aSc TimeTables 2020.11.4 - Denial of Service

CVSS Score

7.5

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-120
Vendor	asc applied software consultants
Product	asc timetables
Published	Feb 6, 2026
Last Updated	Apr 7, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Affected Versions

asc Applied Software Consultants / aSc TimeTables

2020.11.4

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

Ismael Nava