What is the CVSS score of CVE-2020-36943?

CVE-2020-36943 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.0%.

Is there a public PoC exploit available for CVE-2020-36943?

Yes, a public proof-of-concept exploit is available for CVE-2020-36943. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2020-36943?

Within 24 hours: Inventory all aSc TimeTables 2021.6.2 instances across the organization and restrict access to trusted administrative users only. Within 7 days: Monitor vendor (aSc Software) communications for patch availability and evaluate upgrade feasibility; implement input validation at the application layer if technically feasible. Within 30 days: Deploy patched version immediately upon availability, or migrate to an alternative scheduling solution if patch timeline is unacceptable.

CVE-2020-36943

HIGH

Allocation of Resources Without Limits or Throttling (CWE-770)

2026-01-28 disclosure@vulncheck.com

Denial Of Service

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

PoC Detected

Jan 29, 2026 - 19:16 vuln.today

Public exploit code

CVE Published

Jan 28, 2026 - 18:16 nvd

HIGH 7.5

DescriptionCVE.org

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.

AnalysisAI

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. [CVSS 7.5 HIGH]

Technical ContextAI

This vulnerability (CWE-770: Allocation of Resources Without Limits or Throttling) 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 ProductsAI

aSc TimeTables 2021.6.2 contains a denial of service vulnerability that

RemediationAI

Monitor vendor advisories for a patch. Restrict network access to the affected service where possible.

CVE-2020-36943 vulnerability details – vuln.today

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CVE-2020-36943

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Technical ContextAI

Affected ProductsAI

RemediationAI

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External POC / Exploit Code