Resource exhaustion in Asc Applied Software Consultants, S.r.o. Timetables
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.003 (19.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 19th percentile — 19.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000
Affected products
- Asc Applied Software Consultants, S.r.o. Timetables — versions 2021.6.2
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/49147 (exploit)
- www.asctimetables.com/ (product)
- www.asctimetables.com/ (product)
- www.vulncheck.com/advisories/asc-timetables-denial-of-service (third-party-advisory)
Frequently asked questions
- What is CVE-2020-36943?
- CVE-2020-36943 is a high-severity vulnerability in Asc Applied Software Consultants, S.r.o. Timetables, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2026-01-28.
- How severe is CVE-2020-36943?
- High severity. CVSS v3 base score is 7.5 out of 10.