What’s Vulnerable › Vulnerabilities

CVE-2020-36943: aSc TimeTables 2021.6.2 - Denial of Service

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-01-28 · updated 2026-06-17
• Weakness: CWE-770

Description

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.

Affected products

• asc Applied Software Consultants, s.r.o. asc Timetables: 2021.6.2

References

• 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

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