Vulnerability · Published Feb 6, 2026 · Assigned by VulnCheck
CVE-2020-37109aSc TimeTables 2020.11.4 - Denial of Service
High 7.5
In plain English
A high-severity buffer overflow in aSc TimeTables from asc Applied Software Consultants. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 34% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.4%top 65.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| asc Applied Software Consultants | aSc TimeTables | 2020.11.4 |
Weakness: CWE-120 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
- ExploitDB-48133 exploit
- Vendor Homepage product
- VulnCheck Advisory: aSc TimeTables 2020.11.4 - Denial of Service third-party-advisory